Rights watchdog reports mass evictions, forced labour and curbs on freedom in Rio.
Proposal has provoked fears over potentially dangerous mismatches between amateur and pro fighters.
Novak Djokovic won the Bronze medal at the 2008 Beijing Olympic Games
WHO rejects scientists warnings to move Olympics out of Brazil.
The upcoming Olympic Games in Rio has been plagued with problems relating to health, finance and infrastructure.
Sharapova is under suspension after failing a drugs test at the 2016 Australian Open in January.
Former heavyweight champion has said it is foolish for professional boxers to fight in the Olympics.
McIlroy is scheduled to represent Ireland as golf makes an appearance for the first time since 1904.
Patients still live in awful conditions at the former leper colony in Brazil's Olympic city.
Kaspersky Lab experts say scammers have been selling fake tickets to the event since early 2015.
Andy Murray says Nick Kyrgios is basically a 'good guy'.
All sexually active athletes will have access to condoms with anti-viral lubricant.
Vitaly Mutko admits being 'ashamed' of doping athletes but doesn't admit to state-sponsored activity.
Pregnant women have been advised against visiting Brazil for the sports event.
Rugby union makes a first return to the Olympic Games since 1924 in Rio in a condensed form.
The Brazilian Senate has voted in favour of putting President Dilma Rousseff on trial.
Committee says it is monitoring the Brazil situation closely as it tries to ease fears of fans and athletes.
The Rio Olympics is scheduled to begin in the first week of August this year.
Williams sisters won the Olympic gold at the 2000, 2008 and 2012 games.
Athletes can sport a tattoo but body advertisements not allowed at Rio Olympics 2016.
The defending singles champion will stay in an apartment with other British players.
Abhinav Bindra and A R Rahman among others approached by the IOA.