Olympic badminton: Chinese duo Tian Qing and Zhao Yunle win gold

Tian Qing and Zhao Yunlei of China win the badminton women's doubles gold medal at London 2012.

Zhao, who won the mixed doubles gold on Friday, and partner Tian beat Mizuki Fujii and Reika Kakiiwa of Japan 21-10, 25-23 on their fourth match point.

The women's doubles competition had been tainted after four pairs, including the top-ranked Chinese team, were disqualified.

Earlier, Russia's Valeria Sorokina and Nina Vislova won the bronze medal.

Watch the badminton session on BBC Sports Interactive Video Player here

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