South African Cameron van der Burgh has won gold in the men's 100m breaststroke in a world record time of 58.46.
Van Der Burgh broke the Olympic record yesterday and has now shaved 0.12 seconds off Brenton Rickard's world record.
Japan's Kosuke Kitajima could not take his third consecutive title and managed only fifth-place.
Second behind Van Der Burgh was Christian Sprenger of Australia and America's Brendan Hansen took bronze.
