Fans of Morocco’s Wydad Casablanca clashed with police inside the Mohammed V stadium after their match against arch-rivals Raja on Saturday.
Vardar fans clashed with police during Thursday’s match with Sileks at the City Stadium in Veles.
Partizan hooligans stole several flags belonging to Augsburg fans during Thursday’s Europa League match in Belgrade.
Levski Sofia fans clashed with police in the stands during their Bulgarian Cup tie at Litex on Tuesday.
Santiago Wanderers and Colo-Colo fans clashed at the Elias Figueroa Brander Stadium before their Chilean Primera Division match on Sunday.
Trouble flared at the end of Sunday’s game between Lugano and Grasshoppers as fans from both sides invaded the pitch.