Usain Bolt could lose one of the three golds he won at the 2008 Beijing Olympics.
It is being reported by Reuters that the ‘A’ sample of one of his team-mates in the 4x100m, Nesta Carter, was found to contain a banned substance.
The news comes after the re-testing of 454 samples from the 2008 Games.
Carter, who along with agent has not replied to requests for comment, will face sanctions only if his ‘B’ sample also tests positive for the substance.
More to follow.