Torpedo Vladimir and Tekstilshchik Ivanovo fans clashed on the pitch during the half-time break of their Russian Second Division match on Monday.
Hradec Králové fans were attacked by Slavia Prague hooligans in the stands during their Czech league match on Saturday.
Saturday's Russian first division match between Fakel Voronezh and Dynamo Moscow was halted due to a riot.
Two Feyenoord fans were being attacked by Willem II fans during the match.
Dozens of angry Sparta Prague fans stormed the pitch following Sunday's 2-0 defeat to Slavia Prague in the Prague derby.
Legia hooligans clashed with stewards in the stands at the Polish Army Stadium during their Champions League game against Borussia Dortmund on Wednesday.
Baník Ostrava's match at home to SFC Opava was suspended for seven minutes on Wednesday after home fans invaded the pitch and tried to attack away fans.
Angry Magdeburg fans stormed the pitch during the game.
Rijeka fans were attacked by local fans before the game.
A hooligan ran onto the pitch and attacked a goalkeeper during the game .
Unia Hrubieszów fans were attacked by Górnik Łęczna hooligans during the match.
Austria Vienna and Rapid Vienna fans briefly clashed in the stands after the final whistle of their Bundesliga match at the Ernst Happel Stadium on Sunday.