On Tuesday, the U.S. Anti-Doping Agency brought new doping charges against former cyclist and triathlete Lance Armstrong. In a 15-page letter, USADA alleged it collected blood samples in 2009 and 2010 that indicated Armstrong had used the blood-booster EPO and possibly blood transfusions. USADA also says that "multiple riders with firsthand knowledge" will be brought to testify in a case that could strip the athlete of his seven Tour de France titles. This comes after U.S. Attorney General dropped an investigation into Armstrong's alleged doping last February. In the wake of the charges, Armstrong was immediately banned from competing in triathlons. He was due to take part in his first full distance Ironman in Nice, France, on June 24.
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