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Sports Illustrated: London Olympics day 11

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.

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.