Timeline Refresh
Defending Olympic 50K race walk champion Alex Schwazer has been caught doping and will miss the London Games.
The Italian Olympic Committee says Schwazer has tested positive for doping and has been removed from the team.
Earlier Monday, the team said an unidentified athlete had failed a doping test before arriving in London.
The 28-year-old Schwazer was due to defend his 2008 Olympic title in the 50-kilometer walk on Sunday. Schwazer won gold at the Beijing Games in an Olympic record time of 3 hours, 37 minutes, 9 seconds.
#London-Olympics
American judo fighter Nick Delpopolo was expelled from the Olympics on Monday after testing positive for marijuana he said he ate accidentally before arriving in London.
Delpopolo is the first of the 10,500 Games' athletes to fail an in-competition doping test.
His case is the fifth positive test for a banned substance reported by the IOC since its official London Games testing period began in mid-July.
The other four athletes were caught before competing.
The International Olympic Committee said it disqualified Delpopolo from the men's 73-kilogram class, where he placed seventh. Delpopolo tested positive for metabolites of cannabis after competing on July 30.
He apologized to the United States team in a statement acknowledging he was "embarrassed by this mistake."
#London-Olympics
India's MC Mary Kom won an Olympic medal on her debut when she beat Maroua Rahali of Tunisia 15-6 at the London Olympics, on Monday.
The victory took Mary to the semi-finals and she is assured of at least a bronze medal.
Quarter-finals: Women's boxing, 51kg flyweight category
Round 1:
Mary Kom off to a slow start, looking to study her opponent. But she has managed to land a couple of punches on the spot to earn a narrow 2-1 lead in the opening round.
Mary was also cautioned a couple of times in that round. She needs to be careful in the following rounds.
Round 2:
Mary now looking comfortable and has built her lead in that round. She is defending well and is timing her punches quite well.
Mary slips and falls to the ground but her score continues to rise as her lead grows to 5-3 in that round.
Round 3:
Mary is proving to be unstoppable at the moment. A combination of punches lands her opponent on the ropes as Mary is growing in confidence.
That round totally belonged to Mary, who took six points in that round as compared to her oppponent's one.
The lead is now 11-4 in favour of Mary.
Round 4:
Just 2 minutes separate Mary Kom from a historic Olympic medal. That round also belonged to the Indian, who has now been assured of atleast a bronze medal at the London Olympics.
#London-Olympics
The winner of the bout will be assured of atleast a bronze medal as they advance to the semi-finals.
There is another huge contest in the offing later in the day when Ireland's Kate Taylor takes on Great Britain's Natasha Jonas. Both the girls have plenty of support at the ExCel Arena and it will be one hell of a contest.
Fellow Jamaican Yohan Blake finished second with 9.75 seconds while Justin Gatlin of the US took bronze with 9.79 seconds.
Bolt didn't get off a fast start but blazed his way towards the end to send the packed stadium into celebration.
#london-olympics
Will it be Bolt or will Blake stun the sprint king? Or will Gatlin spring a surprise?
The men's 100m lane draw for the final is as follows: 1. Richard Thompson (Trinidad) 2. Asafa Powell (Jamaica) 3. Tyson Gay (USA) 4. Yohan Blake (Jamaica) 5. Justin Gatlin (USA) 6. Usain Bolt (Jamaica) 7. Ryan Bailey (USA) 8. Martina Churandy (Netherlands)
#london-olympics
Sanya, 27, won the race with a timing of 49.55, while Ohuruogu took second place with 49.70, while Trotter finished a close third with 49.72.
"This win is impossible to describe. I worked so hard for that and I prepared for this moment over and over for the last four years. I just fought all the way to the end," Sanya said after the race.
Kemboi won the race with a timing of 8:18.56 ahead of Russian Mahiedine Mekhissi-Benabbad, who won his second successive silver medal at the Olympic Games.
Kenyan Abel Kiprop Mutai took the bronze medal.
Olympic champion Kiprop Brimin Kipruto failed to defend his title after he fell on the penultimate lap and never recovered from that setback.
#london-olympics
Pistorious, who has artificial legs below the knees, finished last with a timing of 46.54. He made history by becoming the first amputee sprinter to compete at the Olympics.
On competing in the Olympic Games for the first time:
"The whole experience is mind-blowing. My aim was to make the semifinal. It's a dream come true. Thanks to everyone for their support. I've got the relay in a few days."
On being asked to swap bibs by semifinal winner Kirani JAMES (KEN) at the end of the race:
"As soon as we crossed the line, we're friends. It was very kind of him. We share a similar life. It's what the Olympics is all about. It's great to make good friends."
Pistorious, who has artificial legs below the knees, finished last with a timing of 46.54. He made history by becoming the first amputee sprinter to compete at the Olympics.
The second semi-final was won by Kirani James of Grenada with a timing of 44.59, while Lalonde Gordon won the first semis with 44.58.
#london-olympics
Justin Gatlin of US is a major contender for the title of the fastest man on the planet after he clocked the fastest time in the semi-finals.
Gatlin clocked 9.82 seconds to win the first semi-final at the London Olympics, while Yohan Bolt cruised to victory in the third semis with 9.85s, while Usain Bolt managed 9.87s in the second semi-final.
The men's 100m lane draw for the final is as follows: 1. Richard Thompson (Trinidad) 2. Asafa Powell (Jamaica) 3. Tyson Gay (USA) 4. Yohan Blake (Jamaica) 5. Justin Gatlin (USA) 6. Usain Bolt (Jamaica) 7. Ryan Bailey (USA) 8. Martina Churandy (Netherlands)
#london-olympics
Blake took first place in 9.85 seconds despite cruising for the last 10 metres.
"I am the beast, so I have to go back and stay focused for the final," Blake said after the race.
Justin Gatlin registered the best timing in the semis with 9.82s, while Usain Bolt won his semis with 9.87s.
#london-olympics
Ryan Bailey of the US was second with 9.96 seconds to take his place in the final.
Justin Gatlin of the US was faster than Bolt as he won the first semi-final in 9.82 seconds.
#london-olympics
Asafa Powell of Jamaica finished third with 9.94.
The first two finishers automatically qualify for the final of the event.
#london-olympics