Pollution levels in the Seine have raised health concerns for athletes participating in swimming events
Blatter, who is currently serving a six-year ban from football-related activities over ethics violations, will not be prosecuted for the matter which relates to selling TV rights for World Cup tournaments too cheaply.
Asian soccer chief Mohamed Bin Hammam was banned for life Saturday after being found guilty by world football's ruling body of trying to buy votes ahead of last month's FIFA presidential election.
A Swiss national who has run soccer's powerful governing body for the past 17 years, 79-year-old FIFA boss Sepp Blatter has now for the first time become the focus of a criminal investigation.
A source close to FIFA said that as Blatter has not been arrested, charged or indicted, it would probably be for him to decide whether he stays in his post until February, when he is due to step down.
'There is a Jack Warner or two in every Caribbean parliament today.'