Team Astana have backed the decision to provisionally suspend Alberto Contador but want a further explanation from the three-time Tour de France winner before making any other announcement following his positive test for clenbuterol.

ALBERTO CONTADOR protested his innocence and insisted he can hold his head high in the wake of yesterday’s announcement that he tested positive for a banned substance en route to winning this year’s Tour de France.

Tour de France champion Alberto Contador has revealed he tested positive for a banned steroid during this year’s race.