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2012 Olympic scandals and controversies

JUDGES UNDER FIRE: Iran's Ali Mazaheri (L) leaves the ring before the decision after being disqualified during his Men's Heavy (91kg) Round of 16 boxing match against Jose Larduet Gomez (R) of Cuba at the London 2012 Olympic Games August 1, 2012.

Olympics scandals and controversies

From doping accusations against Chinese swimming sensation Ye Shiwen to the expulsion of Swiss soccer player Michel Morganella for a racist tweet, the London Games has had its share of controversial moments.