Britain's Richard Chiassaro competes in the Men's 400m - T54 Round 1 in the Olympic Stadium, during the Paralympic Games, in Rio de Janeiro, Brazil, on September 11, 2016. Photo by Bob Martin for OIS/IOC via AFP. RESTRICTED TO EDITORIAL USE. / AFP / OIS/IOC / Bob Martin for OIS/IOC (Photo credit should read BOB MARTIN FOR OIS/IOC/AFP/Getty Images)
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