LAUSANNE, Switzerland -- Usain Bolt has lost one of his nine Olympic gold medals in a doping case involving teammate Nesta Carter. The IOC said Wednesday that Carter tested positive for ...

REUTERS - Jamaica's Usain Bolt has lost one of his nine Olympic gold medals and his perfect triple treble of Games' sprint victories after team mate Nesta Carter was found guilty of doping at the 2008 ...

Teammate Nesta Carter was found to have tested positive for banned substance Methylhexanamine. (L-R) Jamaica's Asafa Powell, Nesta Carter, Usain Bolt and Michael Frater celebrating after winning the ...

Usain Bolt remained on course to win a third gold medal at the 15th world athletics championships on Saturday when Jamaica easily qualified for the final of the men's 4x100 metres relay. Nesta Carter, ...