A man has died and at least six people have been injured in a mass brawl between rival women's volleyball fans near the Greek capital Athens.
A pitched battle took place between fans of Olympiakos Piraeus and Panathinaikos in the Peania area.
Witnesses say about 300 fans fought with clubs, knives and stones.
Police detained 18 people. Greek media reports suggested the fans had arranged the fight ahead of the match.