French-German television channel Arte has released a documentary about Bulgarian football hooligans.
On this day in 2013, Spartak Moscow fans rioted during their Russian Cup match at Shinnik Yaroslavl.
On this day in 2014, Serbia’s Euro 2016 qualifier against Albania was abandoned after a drone carrying an Albanian nationalist flag sparked chaos at the Partizan Stadium.
On this day in 2010, Italy’s Euro 2012 qualifier against Serbia at Genoa’s Luigi Ferraris stadium was abandoned due to rioting by Serbian hooligans.
Levski fans fought each other in the stands during their team’s match against Botev Plovdiv at the Botev 1912 Football Complex on Saturday.
Groningen and Arminia Bielefeld hooligans clashed in the centre of Groningen on Saturday evening ahead of their friendly.
PSG fans clashed with riot police in Paris on Sunday after their side lost 1-0 to Bayern Munich in the Champions League final in Lisbon.
On this day in 2012, a riot broke out in the Toumba Stadium before a Europa League match between PAOK and Rapid Vienna.
Osijek fans clashed with police after their team lost to Lokomotiva Zagreb in the last game of the Croatian First League season on Saturday.
Copenhagen and Brondby hooligans clashed in the streets of the Danish capital ahead of their derby match on Sunday.
On this day in 2007, Vetra Vilnius’ Intertoto Cup match against Legia Warsaw was abandoned at half-time after rioting by Polish fans.
Debrecen fans forced their side’s players to remove their shirts following the team were relegated from the Hungarian top flight on Saturday.