US swimming legend Michael Phelps has spoken of his frustration at the possibility rivals were using drugs at last year's Rio de Janeiro Olympics.
The World Anti-Doping Agency slams Russian hackers who breached its database and published confidential records of US Olympic gymnast Simone Biles and tennis stars Venus and Serena Williams.
Kenyan police arrest the secretary-general of the country's Olympic committee (NOCK) in the wake of a series of scandals and embarrassments at the Rio Games.
Russian President Putin awards rhythmic gymnast Margarita Mamun during a grand ceremony for Russian Olympic medallists returning home from 2016 Rio Olympics at Kremlin in Moscow.
On a team of mostly first-time young Olympians, veterans Carmelo Anthony and Kevin Durant steal the show as the USA win its third straight gold medal.
The Rio Olympics end in a blaze of colour with an exuberant closing ceremony as Tokyo take up the baton promising to host the best Games yet in 2020.
On the last day of the Rio Olympics Kenya's Eliud Kipchoge wins the marathon by more than a minute, Brazil win men's volleyball gold, police raid the Irish Olympic office and a Mongolian coach stages an underwear protest.
China won their third Olympic Games women's volleyball gold on Saturday with a 3-1 victory over Serbia in the final. China also won gold in 1984 and 2004 while they were runners-up to Cuba in 1996.
Margarita Mamun, a Russian gymnast of Bangladeshi origin, has won gold in women's individual all-around rhythmic gymnastics event at Rio de Janeiro's Olympic Arena on Saturday.
Parts of a mutilated body wash up on the sands of Copacabana Beach in Rio de Janeiro on Wednesday, just meters (yards) from where beach volleyball athletes will compete in the upcoming Olympics.