Controversies at the 2012 London Olympic Games

The Olympic Games are a celebration of the human spirit and sporting excellence, but even the greatest sporting spectacle in the world has some of its sheen taken away by athletes who indulge in unfair practices including match-fixing and doping as well as expressing themselves by sending racist tweets. Here's a look at the controversies that have engulfed the 2012 London Olympic Games.

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Manoj Kumar: The Indian boxer was knocked out of the 2012 London Olympics after he lost his 64kg pre-quarterfinal bout to Great Britain's Tom Stalker at the Excel Arena. 'Cheating, cheating, cheating,' was Kumar's verdict after losing his battle of Commonwealth champions as Indian grumbles at controversial Olympic scoring continued.
Manoj Kumar: The Indian boxer was knocked out of the 2012 London Olympics after he lost his 64kg pre-quarterfinal bout to Great Britain's Tom Stalker at the Excel Arena. 'Cheating, cheating, cheating,' was Kumar's verdict after losing his battle of Commonwealth champions as Indian grumbles at controversial Olympic scoring continued.