Usain Bolt has lost one of his nine Olympic gold medals because of a doping case involving Jamaican teammate Nesta Carter.
The IOC said Wednesday that Carter tested positive for methylhexaneamine, a banned stimulant, in re-analysis of samples from the 2008 Beijing Olympics.
Olympic rules state that the entire relay team can be disqualified and stripped of medals if one runner fails a doping test.
Carter and Bolt were teammates on the winning 400-meter team, which set a world record of 37.10 seconds. Carter ran the opening leg, and Bolt took the baton third in a team that also included Michael Frater and Asafa Powell.
“The Jamaican team is disqualified,” the IOC...