Russian appeals against Olympic bans are piling up as IOC president Thomas Bach slams what he calls the "contemptuous" doping system blamed on the Moscow government.

Russian swimmers Vladimir Morozov and Nikita Lobintsev have been cleared to compete at the Rio Olympics, their representatives said Tuesday, though there was no official confirmation.

Novak Djokovic, Andy Murray, Rafael Nadal and Serena Williams will display their Grand Slam talents in Rio, but with serious questions being asked over tennis's place in the Olympics after a host of high-profile pull-outs.

Brazil rule goalkeeper Fernando Prass out of their Olympic campaign on Sunday after he injures an elbow warming up.

Team shirts and a laptop computer belonging to a cycling official have been stolen from the Australian building in the athletes' village at the Rio Olympics.

The international sports tribunal will decide appeals by Russian athletes against their ban from the Rio Olympics with the opening ceremony just four days away.

The International Olympic Committee says a three-member panel will make the "final decision" on which Russian athletes can compete in the Rio Games.

Neymar highlights the importance of Lionel Messi at Barcelona while hinting that he wants compatriot Gabriel Jesus to join the Catalan giants.

The International Olympic Committee's decision to reject calls to ban all Russian competitors from the Rio Olympics could lead to "lesser protection for clean athletes," the World Anti-Doping Agency (WADA) says..

The International Olympic Committee (IOC) fails to demonstrate strong leadership on a sad day for clean sport when it declines to ban Russian athletes from the Rio Olympics, anti-doping officials say.

The Australian Olympic team refuses to move in to Rio de Janeiro's village for athletes, saying the accommodation are "not safe or ready" for next month's games.

Yuliya Stepanova, the Russian 800-metre runner who lifted the lid on systematic doping fraud and corruption in Russian athletics, will not not compete in the Rio Olympics next month.

The International Olympic Committee on Sunday orders individual sports federations to decide whether Russian competitors should take part in the Rio Games after failing to agree on a complete ban over Russia's state-run doping.

The International Olympic Committee is set to decide on whether to ban Russia from the Rio Games over state-run doping, an unprecedented move that could spark the Olympic movement's worst crisis in decades

Brazil hold 10 presumed Islamist militants in isolation cells at a maximum security jail as police comb their computers and mobile phones for information about possible threats to next month's Olympics in Rio de Janeiro.

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.

A further 45 athletes test positive for banned substances after a second set of samples were re-analysed from the London and Beijing Olympics.

The Court of Arbitration for Sport (CAS) dismiss an appeal against a ban on Russia's track and field team for the Rio Olympic Games over state-run doping.

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.