Six football officials have been arrested over corruption charges at governing body Fifa, as Swiss prosecutors launch a criminal case into the 2018 and 2022 World Cup bids.The suspects, who are said to include a Fifa vice-president, have been detained pending extradition to the US.It involves alleged bribes worth about $100m (£65m; €92m) over two decades.Fifa members are due on Friday to vote for a new president, with incumbent Sepp Blatter seeking a fifth term.However, Mr Blatter is not understood to be one of those arrested.Prince Ali Bin al-Hussein of Jordan - Mr Blatter`s rival for the Fifa presidency - described the development as "a sad day for football", but withheld from commenting further.Fifa`s headquarters in Zurich has also been raided by police, with documents seized, Swiss prosecutors say.source. BBCSRJ