Olympics 2012: Live Report

1930 GMT: Camille Muffat has won France's first gold medal in the pool with a tenacious victory in the women's 400m freestyle.

Muffat held off American Allison Schmitt to take gold in an a new Olympic record time of 4m 01.45secs with a huge roar greeting British hope and defending champion Rebecca Adlington winning the bronze medal.

1925 GMT: FRENCH SWIMMER MUFFAT WINS WOMEN'S 400M FREESTYLE GOLD.

1920 GMT: South African Cameron van der Burgh smashed the world record in winning the men's 100m breaststroke final. He won in 58.46 secs, beating Australian Christian Sprenger and American veteran Brendan Hansen.

After the race he laid outstretched on the lane rope taking in his massive swim, his stomach heaving?

It was the second world record of the night in the pool following American Dana Vollmer's win in the 100m butterfly. Next up women's 400m freestyle final...

1915 GMT: SOUTH AFRICA'S VAN DER BURGH WINS MEN'S 100M BREASTSTROKE GOLD.

1910 GMT: America's Dana Vollmer, who earlier won the 100m butterfly final in world record time says: "I'm so excited and on top of the world right now. I've never had an individual world record and now (a) gold medal. Everything went as I could have wanted. I had a long finish so I could still go faster (in future races)."

Next up, the mens 100m breaststroke final...

1905 GMT: Fifteen year old Ruta Meilutyte of Lithuania also stormed into the women's 100m breaststroke final with a slick 1min 05.21secs winning heat time.

Meilutyte, who set an Olympic record in the morning heats, was too fast for defending Olympic champion Leisel Jones and is the favourite for the gold medal ahead of American two-time world champion Rebecca Soni.

1855 GMT: USA Swimmer Rebecca Soni wins 100M breaststroke semi-final.

1852 GMT: Second 200m freestyle semi-final: China's in-form Sun Yang swims the quickest time of the year as the fastest qualifier for the men's 200m freestyle final.

Sun, who became his country's first men's Olympic champion in winning the 400m freestyle last night, clocks a sizzling 1min45.61secs to top the qualifiers ahead of Frenchman Yannick Agnel and South Korean Park Tae-Hwan.

Biedermann and Lochte, who finished one-two in the opening heat, were fourth and fifth fastest into Monday's final.

1843 GMT: German world record holder Paul Biedermann just held off a charging American Ryan Lochte to win his semi-final in the 200m freestyle.

Biedermann clocked 1m 46.10secs to edge out Lochte's 1:46.31.

1838 GMT: American Dana Vollmer smashed the world record in streeting the women's 100m butterfly final. World champion Vollmer clocked 55.98secs to take gold in the second world record of the meet.

China's Lu Ying won silver with Australian Alicia Coutts storming home from eighth at the turn for third.

Vollmer was almost a second faster than Lu in a tremendous swim before the roaring Aquatics Centre crowd.

1835 GMT: USA SWIMMER VOLLMER WINS 100M BUTTERFLY GOLD.

1830 GMT: News just in at the swimming? Ryan Lochte will anchor the American men's freestyle relay team and Michael Phelps will be the team's second swimmer, while James "The Missile" Magnussen is leading off the Aussies in tonight's eagerly-awaited last event, reports AFP's Rob Smith.

Meanwhile the women are limbering up for the 100m butterfly final... world champion Dana Vollmer for the US is favourite to win. Watch this space...

1825 GMT: SWIMMING: Swimmers are gearing up for another action packed programme in the aquatics centre -- the big evening event on the Olympic programme tonight.

From 1830 GMT we'll have the men's 100m breaststroke final and the men's 4x100m freestyle relay final. Meanwhile in the women's events there's the 100m butterfly final and the 400m freestyle final.

1815 GMT: SOUTH KOREAN WOMEN WIN TEAM ARCHERY GOLD. It's the seventh time they've taken the title, winning 210-209 against Chine, while Japan took bronze against Russie (209-207).

1807 GMT: BASKETBALL: Spain beats China 97-81 in a Group B opener. The Spanish team had plenty of NBA talent to draw from, including Los Angeles Lakers NBA star Pau Gasol who scored 21 points and grabbed 11 rebounds. Serge Ibaka, another NBA player, added 17 points as the Spaniards ripped the Chinese team.

1758 GMT: GYMNASTICS: World champion Jordyn Wieber, who failed to qualify for the women's artistic gymnastics individual all-around final admits "it is a bit of a disappointment".

The 17-year-old from Michigan was left in tears as she narrowly missed out on a place in the individual final with the third-highest score of 60.032.

Beaten by team-mates Alexandra Raisman (60.391) and Gabrielle Douglas (60.265), Wieber says: "It has always been a dream of mine to compete in the all-around final of the Olympics but I'm proud of Aly and Gabby and happy that they reached the all-around (final) and that I was able to help the team get to the finals."

1750 GMT: CYCLING: Former Tour de France champion Cadel Evans has been ruled out of the Olympic time trial. A statement from Cycling Australia says he has been seen by doctors who "have confirmed he is fatigued and will not recover in time for Wednesday."

Evans, world champion in 2009 and yellow jersey winner in 2011, endured a torrid campaign on the recent Tour de France finishing well behind British champion Bradley Wiggins.

1744 GMT: EVENTING: Japan's Yoshaki Oiwa takes the lead in the individual eventing standings at the end of a stormy dressage session.

Oiwa, riding Noonday de Conde, begins every performance by spreading salt over himself and his mount! He leapt to the top with a score of 38.10 at Greenwich Park. Italian Stefano Brecciaroli, on 38.50, was in second with New Zealand legend Mark Todd third on 39.10.

Meanwhile British royal Zara Philips -- the queen's granddaughter -- was paced third in her debut appearance in the team eventing competition.

1736 GMT: BASKETBALL: Top US scorer Kevin Durant reacts after the dream team's victory against France: "We just played with attitude, fighting for each ball, defending hard and getting every rebound. That's how we beat teams that are hard to beat. We just have to play hard and we'll be fine. "

There were some spectacular slam dunks and fast breaks by the US stars during the match, especially from Durant, the reigning NBA scoring champion.

1727 GMT: CYCLING: British cycling champion Chris Hoy reacts on Twitter to his female colleague Lizzie Armitstead's silver medal success in the road race: "Watched last 20km of women's roadrace on the big screen in the velodrome during training. Great ride @L ArmiTstead we're on the medal table!"

1721 GMT: More details coming through on that Uzbek gymnast Luiza Galiulina who has been provisionally suspended after testing positive for diuretic furosemide. Galiulina claims she didn't know how the substance entered her body, but received treatment from her mother for sickness at in June, according to the IOC. She also says she was taking medication for a heart condition.

1715 GMT: Some news from Scotland Yard -- a man has been arrested by police on suspicion of assault after an incident at an Olympic shooting event at the Royal Artillery Barracks in southeast London. There are few details at this stage but the incident comes amid tight security at the Games.

1700 GMT: There is plenty more action on its way but here's a quick recap of the day's main events so far:

+ China is now top of the medal table with six gold, one silver and two bronze ahead of the US, with two gold, three silver and two bronze. Guo Wenjun defended her 10m air pistol title while synchronised divers Wu Minxia and He Zi also triumphed.

+ James Magnussen put Australia on course for gold in the swimming relay later tonight, helping them to the top qualifying spot ahead of the US, Russia and France.

+ The US's basketball "dream team" thrashed France 98-71 in their opening game, with Kevin Durant scoring 22 points.

+ Uzbek gymnast Luiza Galiulina was provisionally suspended after testing positive for the banned diuretic furosemide while St. Kitts and Nevis sprinter Tameka Williams was sent home after admitting taking a banned substance.

1647 GMT: TENNIS: Russia's Maria Sharapova has just won her first match at the Olympics, beating Israel's Shahar Peer 6-2, 6-0. Sharapova missed the 2008 Beijing Games through injury.

1639 GMT: AFP's Jim Slater, who was earlier covering USA v France, reports a media storm at that and subsequent basketball games. He says journalists were denied access to open arena basketball seating because it was filled more than 30 minutes before USA game.

When it came to Spain v China later journalists trying to get in were stopped from entering.

1627 GMT: Kazakhstan's Zulfiya Chinshanlo, 19, snatched 95kg and registered a best of 131kg in the clean and jerk for a combined total of 226kg.

Taiwan's Hsu Shu-Ching took silver with a 219kg (96, 123) total, on countback from Moldova's Cristina Iovu, for bronze with 219kg (99, 120).

1619 GMT: KAZAKH CHINSHANLO WINS WOMEN'S 53kg WEIGHTLIFTING GOLD and sets new 53kg clean and jerk world record.

1617 GMT: FOOTBALL: Results just in of today's men's football matches:

Mexico 2 - Gabon 0Egypt 1 - New Zealand 1Brazil 3 - Belarus 1.

1609 GMT: In other gymnastics news, Uzbek gymnast Luiza Galiulina has been provisionally suspended after testing positive for the banned diuretic furosemide, the International Olympic Committee (IOC) announces.

Galiulina underwent a drugs test on July 25, three days before the start of the women's artistic gymnastics competition. A final decision will be announced pending B sample results the IOC says.

1604 GMT: GYMNASTICS: The USA top the team rankings with a score of 181.863 after the third of the day's five qualifying sessions, far above hosts Great Britain (170.656) and Italy (168.397). But reigning world champion Jordyn Wieber failed to qualify for the women's individual all-around final.

Eight teams qualify for Tuesday's all-around team final, with Russia, Romania, China and Japan seeking to secure their places later on Sunday.

1558 GMT: GEORGIA SHAVDATUASHVILI WINS MEN'S JUDO 66kg GOLD.

Lasha Shavdatuashvili, 20, beat veteran Hungarian three-time European champion Miklos Ungvari in the final with a inner-leg sweep (ouchi-gari).

World champion Masashi Ebinuma of Japan beat Poland's Pawel Zagrodnik for a bronze while Cho Jun-Ho of South Korea claimed the other bronze on offer, beating Spain's Sugoi Uriarte.

1552 GMT: ST KITTS SPRINTER TAMEKA SENT HOME IN DOPING CASE - OFFICIAL.

St Kitts and Nevis sprinter Tameka Williams, 22, has been sent home after taking a banned substance, officials confirm.

"The St. Kitts and Nevis Olympic Committee (SKNOC) has withdrawn sprint athlete, Tameka Williams, from its 2012 Olympic Team, effective, Saturday 28th July," a statement from the St Kitts and Nevis Olympic Committee says.

1547 GMT: JUDO: More info on that North Korean gold... An Kum-Ae continued North Korea's fine record in Olympic women's judo by winning the under-52kg division at London's ExCeL Arena.

The 32-year-old went one better than last time out in Beijing as she beat Cuba's Yanet Bermoy in the final with a counter-attack in the sudden-death golden score period.

Italy's Rosalba Forciniti and France's Priscilla Gneto won the bronze medals after beating Marie Muller of Luxembourg and Belgian veteran Ilse Heylen respectively.

1541 GMT: TENNIS: Down at Wimbledon Britain's star player Andy Murray has made a winning return to Centre Court, beating Switzerland's Stanislas Wawrinka 6-3, 6-3 in the first round.

Exactly three weeks ago he was crying tears of frustration on the same court following his Wimbledon final defeat against Roger Federer. It will be a welcome result for Murray who yesterday suffered a disappointing first-round exit with his brother in the doubles against Austria's Jurgen Melzer and Alexander Peya.

1536 GMT: NORTH KOREA'S AN WINS WOMEN'S JUDO 52kg GOLD.

1529 GMT: US wins 98-71, Kevin Durant 22 to lead USA, after the game US team trades hugs and handshakes with French side, then walks across court and each member of the team and coaching staff is hugged and greeted by Michelle Obama.

On Tuesday the US dream team will go on to play Tunisia, while France plays Argentina.

1524 GMT: BASKETBALL: USA BEATS FRANCE 98:71.

1523 GMT: BRITAIN: While it was good news for Britain in the cycling, the British team also had some sad news today. Veteran British marathon runer Paula Radcliffe withdrew from the Games with a foot injury.

After much speculation the 38-year-old world record holder, who has never won an Olympic medal, would pull out, she confirms it with this statement: "From the day when it was announced that London had won the bid, taking part and performing well in the London Olympic Games has been a major goal in my life."

"The goal of a fifth Olympics in my home country, what better? The chance to make amends to myself for bitter disappointments at the previous two Olympics.

"Through a lot of tough times it has kept me fighting, motivated and focused. That is why it hurts so much to finally admit to myself that it isn't going to happen."

1517 GMT: Mayor London Boris Johnson gives a cheer for Britain's Lizzie Armitstead after she took second place in the road race. He tweets: "First medal for Team GB! Congratulations @L ArmiTstead on her splendid silver in the women's Road Race."

Defending Olympic champion Nicole Cooke of Britain finished with the main chasing peloton less than 30sec behind the leading trio, who came into the capital on their own to contest the medals.

1512 GMT: CYCLING: Some reaction now from Marianne Vos, of the Netherlands, after her win in the cycling road race earlier... she says: "I was a little nervous but we gave everything in the breakaway and it's, amazing crowds? it's nearly a wall of noise and then it's just spread until the line."

"I'm really happy with this win. It's incredible."

Vos, the Olympic champion in the track points in Beijing, came into the race having won five stages of the women's Giro d'Italia as well as the event's overall title. She won the 140k London race with a powerful sprint in the final 200m.

1506 GMT: From official USA Basketball Twitter account : End of 3rd Q: USA 78, FRA 51; Durant now has 20 points to lead all scorers in the game. Go USA!

The arena host announcer has divided the stands at the basketball arena into three sections for cheer challenges during timeouts, Jim says. The Beatles section is along the side behind the team benches. The (Rolling) Stones and Oasis sections are at either end of the court. Respectable shouting by all to give us "Love Me Do", "Satisfaction" and "Wonderwall" during breaks.

1459 GMT: BASKETBALL: Third quarter score: USA 78 - France 51.

AFP's Jim Slater reports on the action: LeBron James touches off one of the louder cheers of the game on an alley-oop dunk with just under 5 minutes to go in the third quarter.

Deron Williams flips a high pass into the air near the hoop and James leaps into the air, grabs the ball and slams it into the hoop. The crowd has moments of silence, building into a mumur of anticipation and then released in a roar when culminated with a dunk.

1453 GMT: CHINA WINS WOMEN'S SYNCHRONISED THREE-METRE SPRINGBOARD GOLD.

China's Wu Minxia and He Zi win the women's three-metre synchronised springboard gold medal. They tallied 346.20 points from their five dives to win the event from the United States and Canada.

1445 GMT: DIVING: Over at the aquatics centre my colleague Rob Smith reports that China's Wu Minxia and He Zi are leading after the first of five rounds of the women's synchronised three-metre springboard with 54.00 points for their forward dive.

1440 GMT: Dutch favourite Marianne Vos has taken the gold in the women's cycling road race, with Great Britain's Lizzie Armitstead winning the silver and Russia's Olga Zabelinskaya taking bronze.

23-year-old Armitstead tells the BBC: "It's the most special thing I've ever experienced in my life."

1435 GMT: MARIANNE VOS OF THE NETHERLANDS WINS GOLD IN WOMEN'S CYCLING ROAD RACE.

1435 GMT: This from US comedian Jimmy Kimmel on Twitter: In London with @sportsguy33 USA v France basketball. Haven?t felt intensity like this since being in line at customs". Shortly before that, he wrote: "It is considered rude to play defense against France".

1428 GMT: BASKETBALL: Halftime results: USA 52 - France 36.

Michelle Obama is in the stadium, says AFP's Slater. There are lots of USA flags waving in the crowd, one fan face painted in the stars and stripes wearing a top hat with red and white stripes and blue stars. U-S-A chant resounded around the stadium earlier as the Americans took the ball after a missed French free throw.

1423 GMT: BASKETBALL: US have regained a strong lead over France in the second quarter, with the score now standing at 50:36.

AFP'S Jim Slater, reports from the stadium: The seating area for jounralists was filled more than half an hour before the game began. Outside, about 20 others gathered by the door, waiting in case a journalist should go outside for food or a bathroom break. If so, he would lose his seat.

Big cheer for the first slam dunk by the US squad, from NBA scoring champion Kevin Durant 2:14 into the game.

An even bigger "oooh" came 1:04 later when LeBron James send a bounce pass half the length of the court between French defenders and directly to Durant, who took it to the hoop for another slam dunk that drew a huge ovation.

1404 GMT: Retired US gold medal-winning gymnast Shawn Johnson is at the women's artistic gymnastics preliminaries -- she's acting as a special correspondent for Today.com after she didn't make the Olympic team.

"Watching a group of probably 50 judges walk in..... They scare me haha feeling in the arena is intense. No oxygen," she tweets.

Our reporter Tom Williams is also there and reports a loud reception for Britain's Beth Tweddle and team from the enthusiastic crowd. "Still some empty seats scattered about though," he says.

1359 GMT: BASKETBALL: US have a marginal lead over France after the first quarter: US 22 - France 21. Tony Parker is the top scorer so far for France with 6 points, Kevin Durant for the US with 7.

1354 GMT: DIVING: Wu Minxia and He Zi will shortly begin China's quest for all eight diving gold medals at the Olympics when they compete in the women's synchronised three-metre springboard at the Aquatics Centre, reports AFP's Rob Smith from the aquatics centre.

Wu won the last two synchronised gold medals with the now-retired Guo Jingjing in Athens and Beijing.

1349 GMT: CYCLING: Back at the women's cycling road race a leading group of four riders have broken away from the remnants of the peloton about 40km from the finish.

Britain's Lizzie Armistead, Amber Neben of the USA, Russia's Olga Zabelinskaya and the Netherlands' Marianne Voss are ahead, after Zabelinskaya spent a few minutes as the lone leader.

"The German team have missed the break so they are chasing. The four leaders are working well together," comments British Cycling on Twitter.

While the Britons -- disappointed yesterday in their hopes for a Mark Cavendish victory in the men's race -- have Armistead in the leading group Nicole Cooke, who took gold in Beijing, is for now back with the remainder of the peloton.

1344 GMT: It's France 14 - USA 20 in the basketball. Meanwhile there's success for the US in the shooting: US SHOOTER KIM RHODE WINS WOMEN'S SKEET GOLD.

Rhode becomes the first US athlete to win medals in individual events at five consecutive Olympics as she romps to victory in the women's skeet.

China's Wei Ning wins silver at London's Royal Artillery Barracks. Danka Bartekova of Slovakia wins bronze after a shoot-off.

1335 GMT: And we're off. Tyson Chandler scores a two pointer for the US within seconds, quickly followed by a foul shot, taking it to 4 points. France follow that up with a two-pointer, quickly matched by the dream team, taking the score to 6:2.

1329 GMT: Teams now warming up, shooting some hoops.

1324 GMT: BASKETBALL: France v US dream team due to kick off at 1330 GMT.

The teams are lined up now in the stadium now as their national anthems are played.

Big cheers for the dream team at the end of the US anthem.

1315 GMT: The JUDO looks to have briefly descended into farce over at the ExCel arena -- a qaurter-final between world champion Masashi Ebinuma and Cho Jun-Ho of South Korea resulted in Cho being awarded victory, only for his rival to be declared the winner moments later.

The fight was level after a five-minute contest plus an extra three minutes of golden score, meaning it went to a judges' decision. All three judges awarded the bout to Cho, but the International Judo Federation's Refeering Commission then intervened.

Following frantic discussions on the sidelines, referees director Juan Carlos Barcos called the judges over and told them to change their minds which they duly did -- lifting white instead of blue flags to denote an Ebunima win.

Ebinuma will fight Georgia's Lasha Shavdatuashvili in the under-66kg semi-final.

The crowd were upset over the original decision and jeered loudly -- then became even more vocal after the overturn. Cho was afforded a standing ovation as he left the mat.

1254 GMT: A mysterious woman who gatecrashed India's athletes' march at the opening ceremony was an "overexcited" cast member, says Games chief Sebastian Coe.

The woman, in a red top, appeared delighted to be walking next to the flag-bearer on Friday night but India demanded an explanation for her presence.

Coe has told reporters he would speak to the Indian team about the embarrassing incident.

But he said the woman, reportedly a student from Bangalore, was one of 7,500 volunteers taking part in the opening ceremony, and was unlikely to pose a risk to security.

"She was a cast member. Clearly she got slightly overexcited," said Coe.

"I will be speaking to the Indian delegation about it... She couldn't have got in to the opening ceremony without having gone through all our security protocols," he added.

"She shouldn't have been in the opening ceremony but don't run away with the idea that she sort of walked in off the street."

1251 GMT: SWIMMING: Rebecca Adlington, reigning women's 100m freestyle Olympic champion, tweets: "Just sneaked into tonights final in 8th place! Not expecting anything tonight, all I can do is my best :-) thank you for all the support x."

1248 GMT: BASKETBALL: Brazil narrowly beat Australia 75-71 in a Group B opener.

NBA standout Leandrinho Barbosa scored 16 points and Marcelinho Huertas 15.

"GAME TIME!!!" tweets Chris Paul of the LA Clippers, about to go on court for the USA.

1238 GMT: Our gymnastics reporter Tom Williams tweets: "Team GB, USA, France and Canada all up in women's qualifying... it should be quite an afternoon."

1230 GMT: GYMNASTICS: Bulgarian veteran Jordan Jovtchev plays down his chances of success in the men's gymnastics rings final, after becoming the first male gymnast to appear at six Olympics.

The 39-year-old squeezed into the rings final in yesterday's qualifiers, securing the eighth and last berth with a measured routine that earned him a score of 15.308.

But with reigning world and Olympic rings champion Chen Yibing of China among his opponents on August 6, Jovtvchev does not hold much hope of a medal.

"Barely making the finals doesn't look good for medals," he says.

1226 GMT: Another sign of the bad British weather -- the BBC is reporting that the new cable car over the River Thames has been suspended in case of a lightning strike.

A large bolt of lightning did indeed appear in the sky about five minutes ago.

The US swim team are taking the wet weather in good spirits though ? they just tweeted a picture of the damp conditions, adding: "It's a good thing we're swimmers. The rain has arrived."

1220 GMT: James Magnussen says he was "relaxed" during his first swim of his Games debut earlier, in which he clocked a sizzling 47.35 seconds in the 4x100m freestyle qualifying.

"I felt nice and relaxed in the first 50 and I just let the crowd carry me home at the end," Magnussen says.

1215 GMT: SWIMMING: Ryan Lochte tweets: "I have THE BEST fans. Thank u guys for all the support. It's one of the reason I keep going!"

1210 GMT: Some news just in from G4S, the private security firm whose failure to provide enough security guards provoked intense controversy in the days leading up to the games.

It has said its under-fire chief executive Nick Buckles will not attend any Olympic events and its staff will not host any corporate functions at the games, despite being sponsors.

Probably just as well given how unpopular the firm seems to be with the British public right now.

1154 GMT: The second doping suspension of the Games: Uzbek gymnast Luiza Galiulina has been provisionally suspended after testing positive for the banned diuretic furosemide, the International Olympic Committee (IOC) says.

1137 HOCKEY: New Zealand have pulled off a 1-0 victory over former champions Australia in the opening game of the women's field hockey, Patrick Rowley reports for AFP.

New Zealand rode on an early goal from Cathryn Finlayson in the Group B match to score their maiden victory in Olympic Games against their Oceanic rivals.

It's the first time the Black Sticks have taken even a point off Australia in the Olympics.

Defending champions the Netherlands meanwhile started their campaign with a sound 3-0 win over hard-working Belgium in Group A.

1127: TENNIS: Play was delayed earlier at Wimbledon as the Centre Court roof was closed after a hailstorm lashed the All England Club, but has now started to get underway.

Hail and heavy rain briefly poured down just as play was about to start on the outside courts.

The storm didn't last long, but was enough to persuade organisers to use the Centre Court roof, which saw regular action during the recent rain-hit Wimbledon, for the first time in the Olympics.

Play on Centre Court was only held up by around 10 minutes as this year's beaten Wimbledon finalist Agnieszka Radwanska and Germany's Julia Goerges emerged just after the scheduled midday start on the main show court.

However, on the uncovered Court One, where world number two Novak Djokovic starts against Italy's Fabio Fognini, and the rest of the outside courts, play remained suspended while the rain gradually began to ease off.

1124 GMT: SWIMMING: World champion James 'The Missile' Magnussen spearheads Australia into lane four for today's final of the men's freestyle relay.

Magnussen dived in at the last change and reeled off a sizzling 47.35secs to overhaul veteran American Jason Lezak for Australia to qualify fastest in 3:12.29 ahead of the defending Olympic champions USA 3:12.59.

Russia was third fastest ahead of France, reports Robert Smith.

1119 GMT: BASKETBALL: Superstar LeBron James tweets a photo of himself and US teammate Chris Paul on the bus on the way to their match against France.

They look relaxed and Paul is making a V-for-victory sign.

France boast Tony Parker but they're not expected to pose too much of a challenge to the defending champions.

1117 GMT: SHOOTING: More on the women's 10m air pistol contest in which Guo Wenjun took the gold.

France's Celine Goberville, who led going into the final shot, has taken the silver after a shoot-off with Athens 2004 gold medallist Olena Kostevych of the Ukraine, who took bronze.

1115 GMT: A quick recap now of the main developments so far today:

+ China's sports hero Sun Yang carried on where he left off on last night, beating American Ryan Lochte in his heat of the 200m freestyle

+ Australian Emily Seebohm set an Olympic record of 58.23 secs in winning her heat of the 100m backstroke

+ Defending champion Guo Wenjun won the Olympic women's 10m air pistol title, holding her nerve on the final shot to come out on top after a thrilling three-way tussle

+ Women cyclists began their road race on the Mall in central London, while the sailing, rowing and women's artistic gymnastics also got underway.

Stand by for the first appearance of the US basketball "dream team" shortly.

1106 GMT: DEFENDING CHAMPION CHINA'S GUO WENJUN WINS WOMEN'S 10M AIR PISTOL TITLE

1104 GMT: SWIMMING: Britain's reigning Olympic champion Rebecca Adlington has squeezed into the 400m freestyle final in eighth spot after the morning heats.

Adlington, who claimed the distance freestyle double in Beijing, swam 4m 05.75secs behind leading qualifier Camille Muffat of France (4:03.29) heading into tonight's final.

1103 GMT: Murky weather after the last few days' sunshine is leading to lots of jokes here about the return of the British summer.

1102 GMT: Defending Olympic champion Nicole Cooke is among the British women looking to grab the gold.

She's just moved off separately from her teammates.

Welshwoman Cooke, who won gold in Beijing, starts as a big favourite alongside teammate Lizzie Armitstead, who, like Cavendish, would be favoured to excel in a bunch sprint.

Britain's women are unlikely to find the going easy, with Dutchwoman Marianne Vos, Italian Giorgia Bronzini and Germans Judith Arndt and Ina Teutenberg also expected to shine.

Also in contention are Canada's Clara Hughes, American Kristin Armstrong and New Zealand's Linda Villumsen.

1100 GMT: They're off! Riders from 35 countries are on the move for the 140km road race. Still a pretty big crowd at the start despite the hosts' disappointment in the men's race yesterday.

1059 GMT: CYCLING: The women are lined up now on the Mall in central London for the road race.

1057 GMT: BASKETBALL: Nigeria have beaten Tunisia 60-56 in the opening men's game, ahead of the big appearance by Team USA's NBA stars.

Alade Aminu scored 15 points and grabbed nine rebounds while Ike Diogu added 13 points and 10 rebounds.

Both sides were making their Olympic debuts in the Group A round-robin contest.

1050 GMT: TENNIS: AFP's Steve Griffiths is down at Wimbledon and reports:

Roger Federer must have thought he had seen just about everything at Wimbledon, but even the Swiss great, a seven-time champion at the All England Club, looked a little baffled when he was greeted by a brief hailstorm on his arrival at the grounds.

Our reporter saw Federer-- who had just passed through the security checks outside the venue -- take one look at the hail and decide to head back to his car.

The hail stopped soon after Federer's departure and if the dubious weather stays away, the 30-year-old will start the defence of his doubles gold medal with partner Stanislas Wawrinka against Japanese duo Kei Nishikori and Go Soeda on Court Two later today.

1035 GMT: Chief British Olympic organiser Sebastian Coe has just spoken to the media, attributing empty seats to the fact that it's the early rounds.

The venues are "stuffed to the gunnels", he adds, but says the military and students have been invited to take up some of the seats not occupies by members of the "Olympic family" they were allocated to.

1015 GMT: As well as the women's cycling road race, the SAILING is shortly to get underway in Weymouth and Portland.

This is a big one for the hosts. Triple Olympic champion Ben Ainslie leads home hopes in the sport, in which Great Britain leads the all-time medals table with 50, including 25 golds.

1008 GMT: On those empty seats -- there have been rows of them at the poolside this morning -- organisers are pointing the finger at sponsors, the media and the International Olympic Committee.

They have blamed the embarrassing sight on "accredited bodies" whose representatives have failed to show up.

But they're working hard to find a solution, say local organisers LOCOG.

1007 GMT: JUDO: A bad day for the top seeds, as Bundmaa Munkhbaatar of Mongolia has just followed Musa Mogushkov into an early exit against Cuba's Yanet Bermoy Acosta, the silver medallist four years ago.

0957 GMT: SWIMMING: US 400m medley gold medallist Ryan Lochte has spoken after losing his heat of the 200m freestyle to China's hero Sun Yang.

Lochte said after his swim: "I just wanted to get a good lane for tonight -- the 400 medley took a lot out of me last night.

"It's a new day and new race. I did what I had to do and hopefully I'll be a lot faster tonight.

"I didn't get to bed until 2am, so I am pretty tired, but it was only a prelim swim, so I am not too worried."

0954 GMT: In today's men's contest, Russian top seed Musa Mogushkov has become an early casualty in the men's under-66kg tournament, losing in the first round to Azerbaijan's Tarlan Karimov.

His defeat comes just a day after Russia had won their first Olympic judo gold medal as an independent nation in the under-60kg division through Arsen Galstyan.

0950 GMT: Still from the judo, Olympic champion Sarah Menezes reveals that her parents tried to stop her from taking up the sport because they thought it was just for men.

The 22-year-old under-48kg fighter from Brazil became the first woman from her country to win an Olympic judo gold yesterday.

"When I started judo my parents said it was a sport for men. My whole life I've liked challenges," said Menezes.

"The truth is the major problem was my studies so I came to an agreement with them. In order to continue in the sport I had to do well in my studies."

Her parents eventually came round to her sporting interest, she said. Presumably Saturday's gold set the seal on their approval.

0945 GMT: JUDO: AFP's Barnaby Chesterman reports a huge ovation at the ExCel judo arena as Britain wins its first fight at the fourth attempt.

Colin Oates was the man to send the crowd wild, beating the old enemy, Australia's Ivo Dos Santos.

Given how the previous three fighters who lost were cheered, Oates's reception was hardly a surprise.

It's a great atmosphere, Barnaby reports.

0940 GMT: Sun was the fastest into Sunday night's semi-finals ahead of Lochte with Frenchman Yannick Agnel third quickest and South Korea's Park Tae-Hwan fifth among the top 16 qualifiers of the 200m freestyle.

0935 GMT: China's sports hero Sun Yang has carried on where he left off on Saturday night by beating American Ryan Lochte in his heat of the 200m freestyle.

Sun, who became China's first men's Olympic champion in winning the 400m freestyle gold medal last night, clocked 1m 46.24secs to shade the new Olympic 400m medley champion Lochte by 0.21secs.

0919 GMT: From the poolside, Robert adds:

Seebohm was the fastest in the heats into the semi-finals of the event tonight.

The top ten went under a minute with American Missy Franklin the second fastest in 59.37secs.

Seventeen-year-old Franklin is starting her individual campaign today, already on a high from Team USA's 4x100 relay medley bronze yesterday.

"My first Olympic medal and a new American Record. I am so proud of my relay and couldn't think of a better way to start off the meet! #USA," she tweeted last night.

0910 GMT: SWIMMING: Australian Emily Seebohm sets an Olympic record of 58.23 secs in winning her heat of the 100m backstroke, says AFP's Robert Smith.

It was the third-fastest time in the event.

0900 GMT: JUDO: Our reporter Barnaby Chesterman sends this:

Algeria's Soraya Haddad, who was one of the favourites in the women's under-52kg division, has just left the arena in floods of tears after being disqualified in her first round bout against Romania's Andreea Chitu for an illegal leg-grab.

Heart-breaking to lose in such a way, but she knows the rules!

0850 GMT: A burgeoning scandal here over empty seats in the Olympic venues -- there were significant numbers yesterday on the opening day, including tennis and swimming, despite overwhelming demand.

Organisers have promised an investigation, while police are also probing the black-market sale of Olympic tickets by three official ticket agents covering the Games -- ouch.

0845 GMT: BASKETBALL: The US' "dream team" of NBA multi-millionaires start their campaign against France later on today.

At least one team member -- Deron Williams -- may not be out of bed yet.

"It's 3 AM in London and we are completely stopped in traffic on the way back from the Olympic Village... #NoBueno," he tweeted last night. Our sympathies.

0830 GMT: ATHLETICS: Sad news from British veteran Paula Radcliffe

, who has admitted on Twitter her participation in the Olympic marathon is "not looking good" thanks to a foot injury.

"Hurt by dailymail & whoever thinks [they] know my situation, before even do final test run. Not looking good but my heartbreaking news to break!", she tweeted this morning.

Radcliffe has been struggling for fitness since the injury flared up three weeks ago.

Today's Mail on Sunday says -- citing a source close to her -- that she's set to pull out of the lineup for August 5.

0815 GMT: Some upcoming highlights for today:

+ Olympic debutant James 'The Missile' Magnussen leads Australia against the US in the men's 4x100m freestyle relay (heats at 0900; finals at 1830)

+ US Dream Team of NBA basketball stars open against France (match starts 1330GMT)

+ Maria Sharapova gets her tennis campaign under way at Wimbledon (starts 1030GMT)

+ Wu Minxia launches China's sweep for all eight diving gold medals with her bid for a third straight synchronised three-metre springboard Olympic win (starts 1400 GMT)

+ Women's artistic gymnastics qualifiers (starts 0830 GMT)

WELCOME TO AFP's LIVE REPORT on Sunday, after a dramatic first full day of competition on Saturday, in which America's Ryan Lochte left record-chasing swimmer Michael Phelps trailing, Chinese swimmers broke records and Kazakh cyclist Alexandre Vinokourov shocked hosts Britain in the men's road race.

Today we'll see whether the women's road race produces another upset, while we also have major events in basketball, diving, swimming and tennis. Stand by for a list of the upcoming highlights.

Source: http://news.yahoo.com/olympics-2012-live-report-080742144--oly.html

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