Cai & Fu secure Chinese clean sweep

Cai Yun and Fu Haifeng win men's doubles gold with a 21-16 21-15 victory over Denmark's Mathias Boe and Carsten Mogensen, sealing China's clean-sweep of all five Olympic titles.

Earlier Lin Dan won his second successive singles' gold with a victory over old rival Malaysian Lee Chong Wei.

Watch the badminton finals on BBC Sport's Interactive Video Player.

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