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.
Usain Bolt delivers on his top billing by winning the 200metres at the London Diamond League but he is upstaged for once as American sprint hurdler Kendra Harrison breaks one of the oldest world records in the book.
The Court of Arbitration for Sport says it had rejected Russia's appeal against the exclusion of its track and field athletes from the Rio Games starting on August 5.
"Rio de Janeiro is a city full of curves in the sea and hills, just like the body of the Brazilian woman," says sculptor Nelson Carneiro, 60, who created the 5,130 bronze, silver and gold medals at the national mint, called Casa da Moeda.
Russia's Olympic Committee presses with its preparations for the Rio Olympic Games despite the threat of a ban for state-run doping hanging over the country.
China will send 416 athletes to Rio de Janeiro next month, its largest overseas delegation in Olympic history.
The World Anti-Doping Agency (WADA) called for Russia to be completely banned from the Rio Olympics and other international sport after an investigation found rampant state-run doping at the 2014 Sochi Winter Olympics and other events.
The World Anti-Doping Agency (WADA) calls for Russia to be completely banned from the Rio Olympics and other international sport after an investigation found rampant state-run doping at the 2014 Sochi Winter Olympics and other events
The report to be released Monday into allegations of widespread state-sponsored doping in Russia has already sparked rumblings it could trigger the "nuclear option" of a full ban of Russia from the Rio Olympics.
Rafael Nadal will be fit and ready for Rio, the head of the Spanish Olympic Committee insisted Thursday, even though the 14-time Grand Slam title winner is still sweating on his place in the squad.
Dutch sprint sensation Dafne Schippers predicted that the Rio Olympics would be an altogether different experience from the London edition four years ago.