London 2012: Golden GB cycling trio wow velodrome
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Great Britain's track cycling stars won gold for the fourth time at the 2012 Olympics - with another record-breaking win in the London Velodrome.
The team pursuit trio of Laura Trott, Dani King and Jo Rowsell crushed the United States in the final, clocking a world record time of 3:14.051.
Dan Roan reports.