A German Cup first round game between Hansa Rostock and Hertha Berlin on Monday night was halted twice due to fan trouble.
Blau-Weiss Linz and Ried fans clashed in the stands at the end of their Erste Liga game on Friday.
Copenhagen hooligans clashed with riot police during Sunday’s derby match at Brondby, forcing the match to be halted.
Aberdeen fans clashed with stewards and riot cops after their side’s 2-0 Europa League defeat to Apollon Limassol in Larnaca last night.
Zbrojovka Brno and Banik Ostrava fans briefly clashed in the stands at half-time during a Czech First League game on Friday.
Brescia and Cagliari fans clashed ahead of their pre-season friendly match on Saturday.
Luzern and Osijek fans clashed outside a bar in the Swiss city of Lucerne ahead of their Europa League tie on Thursday.
Fans of Egypt’s Zamalek caused a riot at the Borg el-Arab Stadium on Sunday night as their team crashed out of the African Champions League.
Vasco da Gama fans clashed with military police in and outside the Sao Januario stadium following their side’s defeat to arch-rivals Flamengo on Saturday.
Goias and Vila Nova fans clashed on the terraces at the Serra Dourada Stadium in the central Brazilian city of Goiania following their Serie B match on Saturday.
Club America and Pumas fans clashed on the pitch during a friendly in Santa Ana, California, on Sunday afternoon.
Monday’s Ukrainian Amateur League final between Metalist 1925 Kharkiv and Ahrobiznes Volochysk was abandoned because of trouble caused by Metalist hooligans.