China's Zhang Nan and Zhao Yunlei produced a stunning performance to claim gold in the mixed doubles badminton at London 2012.

Nan Zhang and Yunlei Zhao of China celebrate winning the mixed doubles badminton gold medal.

The top seeds were far too strong for their compatriots and second seeds Xu Chen and Ma Jin as they powered to a 21-11 21-17 victory at Wembley Arena.

The bronze medal was won earlier in the day by Danish pair Joachim Fischer and Christinna Pedersen, who beat Indonesia's Tonowi Ahmad and Liliyana Natsir.