Silver medallists Trell Kimmons, Justin Gatlin, Tyson Gay and Ryan Bailey of United States pose with their silver medals at the 2012 London Olympic Games, on August 11, 2012. Photograph: Clive......
Usain Bolt ended his London Olympics in glorious style on Saturday with a third gold and a world record as Jamaica won a blistering men's 4x100 metres final but the 'living legend' was uncertain......