Former Giro d'Italia winner Danilo Di Luca has been provisionally suspended after testing positive for CERA, the International Cycling Union has confirmed.
Italian cyclist Alessandro Petacchi has been barred from competing in the Tour de France by his Milram team after being charged with doping by the Italian Olympic Committee (CONI) on Wednesday.
Italian police made dawn raids on the hotel rooms of cyclists in this year's Giro d'Italia on Wednesday as part of a nationwide investigation into doping in sport.