3 / 25

2012 Olympic scandals and controversies

RACIST TWEET EXPULSION: South Korea's Yun Suk-young (L) fights for the ball with Switzerland's Michel Morganella during their men's Group B football match in the London 2012 Olympic Games at the City of Coventry stadium July 29, 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.