During the Promień Żary vs. UKP Zielona Góra match on Saturday in Poland, home fans stormed the pitch and attempted to get to the away end.
Trouble between Plymouth Argyle and Millwall fans.
Ross Kemp travels to Poland to visit the Polish football hooligans who have become some of the most feared gangs in Europe.
Fakel Voronezh and Arsenal Tula hooligans clashed in a mass brawl before their Russian first division match on 1st November.
Lokomotiv Moscow fans clashed with stewards and police inside the Atatürk Olympic Stadium during Thursday's Europa league match against Beşiktaş.
A Forest fan attacked a Derby County player at the end of the East Midlands derby.
Fenerbahçe fans clashed with Dutch riot police in the centre of Amsterdam ahead of their Europa League match against Ajax on Thursday.
Members of the Delije attacked Dinamo Zagreb's Bad Blue Boys at Athens International Airport this afternoon.
Aris fans clashed with riot police inside the ground during the first half of their third division match with Nestos Chrysoupolis on Sunday.
Alemannia Aachen and Rot-Weiss Essen fans clashed at the Tivoli Stadium during their Regionalliga West match this afternoon.
Slask Wroclaw hooligans attacked Sevilla fans outside a bar in Shambles Square in Manchester city centre on Wednesday afternoon.