By Tony Field
Oscar Pistorius, the sprinter whose artificial legs were a talking point at the London Olympics, has now accused another Paralympics competitor of cheating by making his own legs longer.
Pistorius was the hot favourite to win the T44 200 metres final, but that's not how it turned out. Brazil's Alan Oliveira closed an eight-metre gap to take the gold.
Immediately afterwards an angry Pistorius told reporters it wasn't a fair race because Oliveira's running blades were too long.
He says the Brazilian - and other athletes - are exploiting the rules to make themselves taller. He says last year he was taller than the Brazilian, now he's shorter.
A longer blade gives them a longer stride - he says that's the reason Oliveira could make up so much ground in the final fifty metres.
Officials rejected that suggestion.
The international Paralympic committee says the length of the blades is determined by a formula based on the height and the dynamics of the athlete.
It says: “All athletes were measured prior to competition - and all were approved.”
Oliveira says he didn't alter his blades and it was a fair race.
Pistorius had broken the world record in the heats - and would have won gold if he'd repeated that time.
He's since tweeted his congratulations to Oliveira.
The two men will race again in the 400 metres - the event in which Pistorius competed at last month's Olympics.
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