10 August 2012 Last updated at 11:32

Olympics taekwondo: Sarah Stevenson loses in opening round

Great Britain's Sarah Stevenson loses her preliminary-round bout in the women's -67kg taekwondo.

Stevenson lost 5-1 to the American Paige McPherson at ExCeL.

She can still win bronze via the repechage if results go her way.

Watch the first round of the taekwondo on BBC Sport's Interactive Video Player.