A spectator is detained by security after a beer bottle was thrown on to the track during the start of the men's 100 metres final, on Day 9 of the London 2012 Olympic Games at the Olympic Stadium on August 5, 2012 in London, England. (Photo by Chris Helgren - IOPP Pool /Getty Images)
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.