Bradley Wiggins faces a fight for his reputation in wake of Wada hack

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.

Now he faces a fight for his reputation as some of his hitherto most loyal supporters echo questions around his record on performance-enhancing drugs arising from a Russian-led hacking effort into the World Anti-Doping Agency (Wada) database.