Photograph: Fabrice Coffrini/AFP/Getty Images

The Court of Arbitration for Sport’s decision to overturn doping bans imposed on 28 Russian Winter Olympic athletes will be challenged by the Interna(...)

Alexander Tretiakov in action at the 2014 Winter Olympics in Sochi. Photograph: Cameron Spencer/Getty

Russia has hailed a decision by the court of arbitration for sport to overturn Olympic doping bans on 28 of the country’s athletes, with the sports mi(...)

The Russian four-man bobsleigh team at Sochi had two men disqualified and two men reinstated. Photograph: Lionel Bonaventure/AFP/Getty Images

Twenty-eight Russian athletes have had their Olympic doping bans overturned, plunging the International Olympic Committee’s policy on Russian doping i(...)