A bribe allegedly paid to Senegal's ex-athletics boss Lamine Diack supposedly secured Rio de Janeiro four votes in their successful bid for the 2016 Summer Olympic and Paralympic Games, according to the reported testimony of a key witness.
Two former Presidents of the last two Olympic host nations have begun jail terms.
All 36 referees and judges who officiated at the Rio 2016 Olympic Games could be permanently banned from officiating as part of an investigation into match-fixing, it has been reported.
IOC urge Brazil to dismantle temporary Rio 2016 venues to fulfill legacy as military take control of city
Brazilian authorities have been urged by the International Olympic Committee (IOC) to dismantle temporary venues still standing 18 months after Rio 2016 finished in order to fulfill their legacy plans.
Tokyo 2020 Olympic and Paralympic Games Minister Shunichi Suzuki has visited Rio 2016 venues and facilities due to be used at this year's Youth Olympics in Buenos Aires as part of a visit to South America.
A Federal Bureau of Investigation (FBI) probe is reportedly underway in the United States investigating corruption allegations surrounding the awarding of the 2016 Olympic and Paralympic Games to Rio de Janeiro in 2009.
There has been no damage has reported to the Velodrome built for last year's Olympic and Paralympic Games in Rio de Janeiro after a second fire at the venue in four months.
A judge in Rio de Janeiro has rejected claims of "irregularities"brought by a lawyer in the case of Kevin Mallon, an Irish employee of THG Sports, the British company at the centre of claims that tickets were sold on the black market and who faces charges including ambush marketing, ticket touting, tax evasion, criminal association, and larceny.
A Brazilian court has ordered that Carlos Nuzman be conditionally released from jail two days after he was officially charged with corruption, tax evasion, money laundering and running a criminal organisation.
Carlos Nuzman's deputy Edson Menezes has been appointed as the Interim President of Rio 2016 and will hold the position for at least 180 days while a decision is taken about what to do next.
Nuzman officially charged by Brazilian prosecutors over allegations he bribed IOC members during Rio 2016 bid
Rio 2016 President Carlos Nuzman has been officially charged today by the Federal Public Prosecutor's Office (MPF) with corruption, tax evasion, money laundering and running a criminal organisation.
Rio 2016 general director Leonardo Gryner has been released from prison after a judge in Brazil revoked his temporary arrest.
Carlos Nuzman has failed in a bid to be released from prison and will remain behind bars in Brazil.
Carlos Nuzman is to remain imprisoned in Brazil indefinitely after a judge's order changed his status from temporary detention to preventative detention to stop possible interference in the investigation.
Research of United States athletes and staff who attended last year's Olympic and Paralympic Games in Rio de Janeiro has found no cases of Zika virus but did find evidence of other tropical infections.