Many athletes have withdrawn from Olympics over concerns about the mosquito-borne Zika virus which has been linked to defects in newborns

Bryan brothers pull out of Rio Games citing health concerns

Their exclusion takes the number of Russians banned from taking part in Rio to 18 since Sunday after IOC decided not to issue blanket ban

Five Russian canoers, including five-times world champion Korovashkov, banned from Rio

The absence of top golfers could help lesser-known players to capture international attention for themselves, their countries and sponsors

Facing Rio Olympics no-shows, golf looks to emerging market growth

Usain Bolt, the six-time Olympic gold medallist, won the race in 19.89 seconds in his return following a pelvic injury

Bolt quashes fitness concerns, cruises to 200m victory in London

Rio's new 50-metre Olympic pool, where records may be set as dreams and duels play out, should stand out like a gleaming Ferrari

Technology in pools makes Olympic athletes swim faster

International Olympic Committee's executive board are to hold a conference call on Sunday to discuss banning Russia from the Rio Games

Russia braces for IOC ruling after CAS bans athletics squad

121 athletes have qualified for Rio 2016, nearly a third more than the number that qualified for the last Games

India?s Rio contingent given rousing send-off in Delhi

The investigation by lawyer Richard McLaren revealed that the manipulation of samples was controlled by Vitaly Mutko's ministry

Russian sports minister Mutko in doping controversy spotlight

Alexander Zverev as become the youngest man to crack the top 30 since Djokovic in 2006

No Zika bite fright for Rio-bound Stosur, Zverev

The country had already planned to deploy 85,000 cops, soldiers, double the number used in 2012 London Games

Brazil to bolster Olympics security to quell concerns after Nice attack

Rafael Nadal awaits the nod from the International Tennis Federation after he failed to meet the qualifying criteria

Nadal will be ready for Rio, insists Spanish Olympic chief

'...My confidence isn't high to think that there are not real issues...it is very hard to deal with as a clean athlete'--Allyson Felix

American sprinter doubts Olympic competitors are clean

Ex-supermodel Gisele will walk through a 'futuristic gateway' to mark the start of the first-ever Games hosted in South America

Rio opening ceremony: Gisele Bundchen among participants

The 28-year-old won his sixth World Cup medal, finished second behind Brazillian Felipe Almeida Wu

Indian shooter Jitu Rai bags silver in Baku World Cup

The walk champion was earlier banned for three-and-a-half years by the Italian anti-doping court for failing the blood booster EPO test

Olympic race walker Alex Schwazer fails another doping test

Citing health risks associated with Zika virus, many athletes have pulled out of Olympics, while others are unwilling to bring family

Zika threat bugging Chinese shuttler Wang