DISGRACED cyclist Lance Armstrong has reportedly admitted to using performance-enhancing drugs to win the Tour de France.
A source ''familiar with the situation'' told the Associated Press that Armstrong made the explosive revelation in a two-and-a-half-hour interview with Oprah Winfrey, taped on Monday, US time, and to be aired on Thursday.
It comes after earlier reports that Armstrong "choked up" in an apology to staff at his cancer foundation ahead of his mooted tell-all interview.
According to AP, Armstrong, 41, apologised to Livestrong foundation staff for "letting them down".
Quoting "a person with direct knowledge of the meeting", AP reported that several employees cried during Armstrong's comments, which were made during a meeting.
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