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Olympic swimming: Chad le Clos's father overcome by gold
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Chad le Clos's father Bert is overcome with pride after watching his son beat Michael Phelps to Olympic gold in the 200m butterfly at London 2012.
The South African won the race in one minute 52.96 seconds, 0.05secs ahead of Phelps with Japan's Takeshi Matsuda third.
Watch the swimming finals on BBC Sport's Interactive Video Player.
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