American cyclist Floyd Landis admitted that he used performance-enhancing drugs and accused seven Tour de France winner Lance Armstrong of doing the same, the Wall Street Journal reported on Thursday.

Landis, who lost his 2006 Tour de France title for elevated levels of testosterone, said his fellow cyclists used banned drugs too, the newspaper said.

?Phonak's team rider Floyd Landis of the U.S., wearing the leader's yellow jersey, holds a glass of champagne as he celebrates his overall leader position during the last stage of the 93rd Tour de France cycling race between Sceaux-Antony and the Champs-Elysees in Paris, in this July 23, 2006 file photo. Landis has sent a series of e-mails to cycling officials and sponsors admitting to the use of performance enhancing drugs, the Wall Street Journal reported on May 20, 2010.