Angry Antwerp fans staged riots after their football team missed the league title in the second division.
A Trabzonspor fan attacked an assistant referee during Sunday’s Turkish Super Lig match between Trabzonspor and Fenerbahce, forcing the game to be abandoned.
Trouble erupted at Saturday’s Serbian Super Liga clash between Crvena Zvezda and Partizan as rival fans threw flares and seats at each other and clashed with riot police.
Rival Bohemians and Shamrock Rovers fans fought on the pitch during Friday night’s Dublin derby at Dalymount Park.
Two Ruch Chorzów fans clashed with away fans.