Contador at it too - who next?

(Courtesy of the BBC)

Tour de France winner Alberto Contador tests positive

Contador is a three-time Tour winner Cyclist Alberto Contador, winner of the 2010 Tour de France, has said he has tested positive for a banned substance.

Contador's press officer said he had tested positive for clenbuterol during a rest on the Tour in July.

In a statement, the spokesman added that the Spanish rider was the victim of "food contamination" and would hold a news conference later on Thursday.

Cycling's governing body, UCI, later confirmed that Contador had been provisionally suspended.