Olympic Swimming: Michael Phelps ends with 18th gold medal

Michael Phelps, the greatest ever Olympian, ends his career with 18 gold medals after he and his team-mates win gold in the men's 4x100m relay at the Aquatics Centre in London.

It was Phelps's last ever swim and so ends a glittering career in which he has won 18 golds, two silvers and two bronzes to add to his 26 World Championship golds, six silvers and a bronze, 44 golds in total.

Japan took the silver with the bronze going to Australia.

Great Britain finished fourth.

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