Bolt's big victory on Sunday evening in Rio took the sprinter a step closer to his goal of winning a historic "triple-triple" combination of gold in the 100m, 200m and the 4x100m relay in three consecutive Olympics.

The world No. 2 deployed a precision defensive game which eventually wore down Juan Martin del Potro's barreling forehand and powerful service game. Murray racked up his 18th successive singles win, a hot streak that also brought him a second Wimbledon title.

Klay Thompson ended an Olympic-long slump with seven 3-pointers and 30 points, and the Americans needed almost all of them to hold off France 100-97 on Sunday.

The American beat world champion Maria Paseka of Russia with a score of 15.966 from her two vaults. Paseka claimed silver and Switzerland's Giulia Steingruber pipped India's Dipa Karmakar by 0.15 of a point to take bronze.

Armed robbers posing as police officers held a gun to the forehead of U.S. gold medal swimmer Ryan Lochte in a taxi hold-up in Rio de Janeiro after a party early on Sunday.

Michael Phelps' Olympic career ended in style on Saturday night in Rio, as the Americans earned a gold medal -- Phelps' 23rd ever -- with an Olympic Record finish in the 4x100m medley relay.