Chief executive Travis Tygart is confident the United States Anti-Doping Agency can continue its investigation to clean up cycling without the help of Lance Armstrong.

Lance Armstrong’s attorney, Tim Herman, has confirmed that the disgraced American cyclist will not speak under oath to US Anti-Doping Agency (USADA) officials about his doping past.

Lance Armstrong has refused to be interviewed under oath by the United States Anti-Doping Agency’s officials, his attorney confirmed tonight.

United States Anti-Doping Agency head Travis Tygart has claimed Lance Armstrong is still lying about the full extent of his doping past.

United States Anti-Doping Agency head Travis Tygart has claimed Lance Armstrong is still lying about the full extent of his doping past.

Lance Armstrong’s claims that his use of performance-enhancing drugs during his cycling career made it a level playing field have been labelled “amazing” and “simply not true” by United States Anti-Doping Agency chief executive Travis Tygart.

The second segment of Oprah Winfrey's interview with Lance Armstrong was never going to contain the same level of fireworks but it did produce a hint of the anticipated waterworks.

Former UCI President Hein Verbruggen had assets managed by the investment bank of Thom Weisel, backer of the US Postal Services team that disgraced American cyclist Lance Armstrong rode for during his rise to fame in the late 90s and early 2000s — but has denied any wrongdoing.

The head of a drug-testing laboratory in Switzerland has denied giving banned cyclist Lance Armstrong “the key” to avoiding detection for the blood-boosting agent EPO.

Fresh evidence has emerged of how Lance Armstrong managed to avoid positive drugs tests that raises further questions about the International Cycling Union’s (UCI) involvement in the scandal.

Fresh evidence has emerged of how Lance Armstrong managed to avoid positive drugs tests that raises further questions about the International Cycling Union’s (UCI) involvement in the scandal.

Lance Armstrong is considering whether to publicly confess to his doping past, according to reports in the United States.

Lance Armstrong can still do good for cycling by telling the truth about his doping past, according to United States anti-doping chief Travis Tygart.

The name Lance Armstrong is to be expunged from the record books after cycling’s world governing body yesterday accepted a recommendation to strip the American of his seven Tour de France titles and ban him from the sport for life.

Lance Armstrong was today stripped of his seven Tour de France titles but the sport’s world governing body the UCI were warned the battle against doping is far from won.

The US Anti-Doping Agency (USADA) last night revealed its “reasoned decision” document, detailing the evidence it has amassed against Lance Armstrong and his US Postal Service team associates who engaged in what USADA calls “the most sophisticated, professionalised and successful doping programme that sport has ever seen”.

Seven-time Tour de France winner Lance Armstrong faces being stripped of his titles and banned from cycling for life after announcing he will not contest charges levelled by the United States Anti-Doping Agency (USADA).

Lance Armstrong has launched legal action against the US Anti-Doping Agency (USADA) and claimed they offered "corrupt inducements" to other cyclists to testify against him.