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.
Ruch Chorzow hooligans blocked a major highway in Katowice on Friday evening to burn a giant GKS Katowice flag.
The second-half of Thursday’s Eredivisie promotion/relegation play-off match between MVV and Roda was delayed due to fan trouble.
Feyenoord fans went on the rampage in the streets of Rotterdam on Sunday after the side’s defeat at Excelsior.
PAOK and AEK hooligans clashed at the Panthessaliko Stadium ahead of their sides’ Greek Cup final on Saturday.
Friday’s German regional league match between Babelsberg and Energie Cottbus was halted twice because of fan trouble.
