Olympic boxing: Anthony Joshua elated with win

Anthony Joshua is into the semi-finals of the men's super-heavyweight competition after beating Zhilei Zhang of China 15-11 on points.

Joshua promised to use the "positive energy" from the home crowd in his semi-final bout.

He is now guaranteed at least a bronze medal at the London 2012 Olympic Games.

Watch a replay of the bout on BBC Sport's Interactive Video Player.

Available to UK users only.