Swedish police arrested about 100 Brøndby fans in Malmö.
On Sunday, about 100 people attacked a Corsican police station with Molotov cocktails in response to arrests following Bastia's match at Reims.
A Southend United fan attacked rival Colchester supporters during Saturday’s Essex derby at Roots Hall.
Clashes between Atromitos and AEK fans after the end of the game.
Cartagines and Herediano fans clashed in the stands during their Primera Division match on Thursday.
A large group of Spartak Moscow and CSKA Moscow hooligans clashed in a mass brawl on the streets of the Russian capital yesterday.
São Paulo fans clashed with police during a football match in Mogi das Cruzes, Brazil, on Sunday.
Football hooligans from two rival Swedish teams clashed in a mass street brawl in one of Stockholm's streets on Saturday.
Galatasaray fans attacked a bus with Karşıyaka fans on the highway in Istanbul.
Wydad Casablanca fans clashed with police in the stands following their match against Raja Casablanca at the Mohammed V stadium on Saturday.
Vardar fans clashed with police in the first half of the match.
Partizan hooligans pinched some flags belonging to Augsburg fans during Thursday's Europa League match in Belgrade.