Three-times London Marathon winner Paula Radcliffe has been declared innocent of any blood doping by world athletics’ governing body the IAAF which said it was “shocking” that the distance runner should have been publicly accused.

Football will be allowed to opt out of several key parts of the worldwide code on drugs in sport, it emerged today.

Top British sprinter Dwain Chambers has tested positive for the banned anabolic steroid THG, according to a report in The Guardian.

A top British athlete has tested positive for the banned anabolic steroid THG, it was reported today.

Jockey Dean Gallagher said today that he has tested positive for a banned substance.

The player who has tested positive for the banned steroid nandrolone may not have done anything wrong, according to UK Sport’s anti-doping chief.

Footballers were today warned to beware of taking dietary supplements after a player tested positive for the banned anabolic steroid nandrolone.

A professional footballer has tested positive for the anabolic steroid nandrolone for the first time in England.