Bayern Munich fans were attacked by Spanish riot police at the Santiago Bernabeu during their Champions League match against Real Madrid on Tuesday night.
Dynamo Kyiv and Besiktas fans clashed before kick-off and during their Champions League match on Tuesday.
Sevilla hooligans attacked Juventus fans at a pub on Monday night ahead of their Champions League match.
Legia Warsaw fans were involved in a series of scuffles with Spanish riot cops ahead of their Champions League meeting with Real Madrid on Tuesday.
Legia hooligans clashed with stewards in the stands at the Polish Army Stadium during their Champions League game against Borussia Dortmund on Wednesday.
Hooligans of Slovenia’s Olimpija Ljubljana and Slovakia’s MSK Zilina clashed ahead of the Slovenian side’s Champions League qualifying match with AS Trencin at the Stadion Pod Dubnom on Wednesday.
Members of the Delije attacked Dinamo Zagreb’s Bad Blue Boys at Athens International Airport this afternoon.
Slask Wroclaw hooligans attacked Sevilla fans outside a bar in Shambles Square in Manchester city centre on Wednesday afternoon.