China's 2004 Olympic champion Liu Xiang lies injured at the start of his 110m hurdles heat. He eventually got to his feet and boldly limped to the finish line, but it was a second successive disappointment after his Beijing withdrawal in 2008.
Fallen at the first hurdle —
China's 2004 Olympic champion Liu Xiang lies injured at the start of his 110m hurdles heat. He eventually got to his feet and boldly limped to the finish line, but it was a second successive disappointment after his Beijing withdrawal in 2008.
A quirky composition of heat five of the men's 110m hurdles, which saw American runner Aries Merritt, Ryan Brathwaite of Barbados and China's Xie Wenjun qualify.
Jump around —
A quirky composition of heat five of the men's 110m hurdles, which saw American runner Aries Merritt, Ryan Brathwaite of Barbados and China's Xie Wenjun qualify.
Veteran cyclist Chris Hoy powers his way to gold in the men's keirin -- it was his sixth overall, making the 36-year-old Britain's most decorated Olympian.
The Real McHoy —
Veteran cyclist Chris Hoy powers his way to gold in the men's keirin -- it was his sixth overall, making the 36-year-old Britain's most decorated Olympian.
Canadian diver Francois Imbeau-Dulac competes in the 3m springboard. He did not reach the final, which was won by Russia's Ilya Zakharov.
Taking the plunge —
Canadian diver Francois Imbeau-Dulac competes in the 3m springboard. He did not reach the final, which was won by Russia's Ilya Zakharov.
A diver emerges from the depths following an attempt in the men's 3m springboard final.
Head above water —
A diver emerges from the depths following an attempt in the men's 3m springboard final.
Sajjad Anoushiravani Hamlabad celebrates after completing the lift which won him silver in the 105 kg category -- Iran's 14th medal in Olympic Games history.
Silver lining —
Sajjad Anoushiravani Hamlabad celebrates after completing the lift which won him silver in the 105 kg category -- Iran's 14th medal in Olympic Games history.
The U.S. romped into the semifinals of the women's basketball following a 91-48 victory over neighbors Canada.
Hands-on —
The U.S. romped into the semifinals of the women's basketball following a 91-48 victory over neighbors Canada.
Alexandra Nascimento's best efforts for Brazil were not enough to stop Norway from progressing to the semifinals of the women's handball.
Full contact —
Alexandra Nascimento's best efforts for Brazil were not enough to stop Norway from progressing to the semifinals of the women's handball.
Misty May-Treanor (pictured) and her partner Kerri Walsh-Jennings reached the final of the women's beach volleyball with a straight-sets victory over China. In the final they will face another U.S. pairing, April Ross and Jennifer Kessy.
Hit the dirt —
Misty May-Treanor (pictured) and her partner Kerri Walsh-Jennings reached the final of the women's beach volleyball with a straight-sets victory over China. In the final they will face another U.S. pairing, April Ross and Jennifer Kessy.
Sally Pearson of Australia rejoices after qualifying for the women's 100m hurdles final with the best time in her heat. The world champion then beat the Olympic record as she won gold.
Ecstatic —
Sally Pearson of Australia rejoices after qualifying for the women's 100m hurdles final with the best time in her heat. The world champion then beat the Olympic record as she won gold.