Olympics swimming: Van der Burgh wins breaststroke gold

South Africa's Cameron van der Burgh storms to gold and sets a new world record with a time of 58.46 seconds in the men's 100m breaststroke final at the Aquatics Centre.

Australia's Christian Sprenger claimed silver, with Brendan Hansen of the United States in third.

Japan's Kosuke Kitajima was bidding to become the first male swimmer to win the same event at three successive Games but finished fifth

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