4 August 2012 Last updated at 14:05 GMT

Andy Murray and Laura Robson reach Olympics semi-finals

Andy Murray Laura Robson

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Andy Murray and Laura Robson are through to the Olympic mixed doubles semi-finals after beating Australia's Lleyton Hewitt and Sam Stosur.

The British pair triumphed 6-3 3-6 10-8 in an hour and 20 minutes.

They will play Germany's Christopher Kas and Sabine Lisicki in the last match on Court One on Saturday for a place in Sunday's final.

If they lose, they will play for bronze on Sunday, the same day Murray takes on Roger Federer in the men's final.

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