A football supporter has been fatally stabbed and another wounded near Athens after a game between Greece's two biggest clubs.Reports say the two Olympiakos fans had been celebrating a 4-0 cup victory over local rival club Panathinaikos.Police say they had argued with a group of youths in a cafe and were stabbed during a fight outside.Media reports put the argument down to rivalry between the two groups of fans but police could not confirm a motive.Three people were arrested as a result and are due to appear in court on Thursday.Police later said that the man who died had been handed a two-year ban on attending football matches in 2005.Match banThe stabbing is the latest in a series of violent incidents involving Greek football fans.In March 2007, a Panathinaikos supporter died during a clash between fans of the two teams before a women's volleyball match.That led to a suspension of all professional team sports in Greece for a fortnight.Five days earlier, fireworks and missiles were thrown during an international match against Turkey, prompting European football's governing body Uefa to insist that Greece's next two games were held outside Athens.SOURCE: BBC