File photo of South Africa's Oscar Pistorius starting his men's 400m round 1 heats at the London 2012 Olympic Games at the Olympic Stadium

 
File photo of South Africa
South Africa's Oscar Pistorius starts his men's 400m round 1 heats at the London 2012 Olympic Games at the Olympic Stadium in this August 4, 2012 file photo. REUTERS/Dylan Martinez/Files
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