Paul Boyle, manager of Asafa Powell and Sherone Simpson, has told ITV News the athletes were given 'supplements' by their physiotherapist. He says if any of the supplements were not legal, they had been supplied unwittingly.
The agent for the former 100m world record holder Asafa Powell has confirmed that the athlete has tested positive for a 'stimulant' during a recent drugs test.
It is not clear if the athlete will now withdraw from future international competitions.
As Tour de France leader Froome can attest, the shadow of a drug scandal can linger for years. Athletics must act to avoid this cancer.
Paul Boyle, manager of Asafa Powell and Sherone Simpson, has confirmed that both have left Italy. They are in the air now.
Adidas AG has suspended its contract with Tyson Gay after the former double world sprint champion failed an out-of-competition dope test.