Heracles Almelo and Ajax fans were involved in a brawl during Saturday night’s match at the Polman Stadium.
West Ham and Tottenham fans came to blows at the London Stadium during half-time of Sunday’s Premier League match.
Trouble flared at the Letzigrund Stadium after Saturday’s Zurich derby as Zurich hooligans tried to get at Grasshoppers fans.
Cologne hooligans attacked Genk fans during their Youth League match at Genk’s training ground on Tuesday.
NEC Nijmegen fans clashed with riot police after their 1-0 defeat to arch rivals Vitesse in the Eredivisie on Sunday.
Sunday’s derby clash between Spartak Trnava and Slovan Bratislava descended into chaos as fans clashed on the pitch.
Hungary fans clashed with police at Wembley during their side’s World Cup 2022 qualifier against England on Tuesday evening.
Los Angeles Galaxy and Los Angeles FC fans clashed at the Dignity Health Sports Park Stadium after their MLS match on Sunday.
A group of about 20 AIK hooligans attacked their Djurgarden rivals in a pub on Saturday.