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The 100th edition of the Tour de France has started on the French island of Corsica.
Disgraced cyclist Lance Armstrong has sought to clarify recent comments made in French newspaper Le Monde about winning the Tour de France.
He was quoted as saying it would be impossible to win the famous race without doping, however he took to Twitter to say
Read: Armstrong: 'Impossible' to win Tour without doping
The 100th Tour De France will begin today with 212km stage one from Porto-Vecchio to Bastia in Corsica.
Last year's runner-up to Sir Bradley Wiggins, Chris Froome, will lead Team Sky and is favourite to become the second British winner.
Wiggins is unable to compete this year due to illness and injury.
He said: "It is very sad that Lance Armstrong has decided to make this statement on the 100th anniversary of the Tour de France. However, I can tell him categorically that he is wrong. His comments do absolutely nothing to help cycling.
"The culture within cycling has changed since the Armstrong era and it is now possible to race and win clean.
"Riders and teams owners have been forthright in saying that it is possible to win clean – and I agree with them.
“Cycling today has the most sophisticated anti-doping infrastructure in sport. Measures such as the introduction of the blood passport, the whereabouts system and the ‘no-needle’ policy are the backbone of our relentless fight against doping."
Disgraced cyclist Lance Armstrong, who cheated his way to win seven Tour de France titles, said it would have been impossible to win the famous race without doping.
"My name was taken out of the palmares (list of achievements) but the Tour was held between 1999 and 2005 wasn't it?
"There must be a winner then. Who is he? Nobody came forward to claim my jerseys."
Bernard Hinault, who won the Tour five times, reacted by telling TV channel BFM: "He must not know what it was like to ride without doping."