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Olympics sailing: Ben Ainslie wins fourth sailing gold
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Great Britain's Ben Ainslie clinches his fourth straight gold medal to become the most decorated Olympic sailor in history.
Ainslie came ninth in a tense Finn medal race, but crucially finished ahead of Denmark's Jonas Hogh-Christensen, who takes silver.
Available to UK users only.
Watch a replay of the race on the BBC's Interactive Video Player.
