American Dwight Phillips has added Olympic gold to his world title after victory in the men's long jump final.
Phillips won with an opening effort of 8.59m, with compatriot John Moffitt taking silver and Spain's Joan Lino Martinez claiming the bronze.
Britain's Chris Tomlinson leapt to a season's best of 8.25m with his opener but it was only good enough for fifth.
Moffitt's fifth jump of 8.47m pushed Martinez down the order and Jamaica's Jason Beckford out of the medals.
Martinez's medal may be taken away if his second-round effort of 8.32m is deemed illegal following a protest by UK Athletics.
The Spaniard appeared to place his foot over the take-off board.
Regarding the Martinez protest, Tomlinson said he was unaware that one had been made.
"I didn't realise anything about Martinez. It would be brilliant if the appeal proves successful. Fourth is better than fifth," he told BBC Sport.
The Briton added that he was content with his day's efforts despite finishing out of the medals.
"To be honest I thought 8.30m would get a medal. The jumps today showed what quality there is in the sport," he added.
"We haven't got a Carl Lewis yet but Dwight's not far off.
"I had five eight-metre jumps and at the moment I would rate myself, fifth, sixth or seventh in the world."