Lance Armstrong has cut formal ties with his cancer-fighting charity Livestrong to avoid further damage from doping charges and being stripped of his seven Tour de France titles.

Lance Armstrong has stepped down as chairman of his cancer charity, Livestrong, and has been dropped by sponsor Nike as the fallout from the United States Anti-Doping Agency’s report into doping continues.

Former cyclist Lance Armstrong has today stepped down as chairman of the Livestrong cancer-fighting charity.