Nick Butler: When is cheating not cheating in sport?

Nick Butler: When is cheating not cheating in sport?

Two contrasting but deeply controversial incidents have taken place in sport in recent weeks.

The first concerned 19-year-old Belgian cyclist Femke Van den Driessche, a European cyclo-cross champion last year who, after failing to finish the women's under-23 race at the World Championships in Heusden-Zolder, was reportedly found to have had a motor concealed within her bike.