Bradley Wiggins has had to clarify apparent inconsistencies between what he wrote in 2012 about the use of needles and the details that have emerged via the Fancy Bears hackers. Photograph: Eric Feferberg/AFP/Getty Images

Questions surround Tour de France winner and British Olympic champion’s use of medical certificates for banned substances

Just last month Bradley Wiggins, the first British man to win the Tour de France, was basking in the glory of becoming the country’s most decorated Olympian at another glittering Games for Team GB’s cyclists.

Russia's Sports Ministry has been accused of directly orchestrating a doping programme running throughout the Sochi 2014 Winter Olympic Games ©Getty Images

Russia's Sports Ministry has been accused of directly orchestrating a doping programme running throughout the Sochi 2014 Winter Olympic Games in today's World Anti-Doping Agency (WADA) Independent Commission report which used a "Disappearing Positive Methodology".

The World Anti-Doping Agency (WADA) has taken note of the views expressed by some concerning the timing of publication of the Agency’s independent McLaren Investigation Report, which was published by Professor Richard H. McLaren on 18 July, exposing Russian State manipulation of the doping control process; and, the Agency’s subsequent recommendations -- both that led to the International Olympic Committee’s (IOC) decision of 24 July.

IPC President Sir Philip Craven, pictured here shaking hands with Russian President Vladimir Putin during the Sochi 2014 Paralympic Games Closing Ceremony, said the findings of the McLaren Report mark a very dark day for sport ©Getty Images

Russia should be banned from all international sporting competition, including the Rio 2016 Olympic Games, until they have achieved a "culture change", the World Anti-Doping Agency (WADA) has said.

Montreal, 24 July 2016 – The World Anti-Doping Agency (WADA) acknowledges today’s decision by the International Olympic Committee’s (IOC) Executive Board asking International Federations to deal with the selection of Russian athletes for Rio 2016;

Clemens Prokop has urged the IOC to live-up to their vow to protect clean athletes ©Getty Images

Germany Athletics Federation (DLV) President Clemens Prokop has urged International Olympic Committee (IOC) counterpart Thomas Bach not to allow athletes from countries without fully functioning anti-doping systems to compete at Rio 2016.

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