A Rapid București fan snatched a banner from Rapid CFR Suceava fans during their Liga II match at the Areni Stadium on Sunday.
Manchester United and Liverpool fans scuffled at Old Trafford during their Europa League match on Thursday.
Guarani Antonio Franco fans fought among themselves on the terraces at the Clemente Fernandez de Oliveira Stadium during their lower league match against Sol de America on Sunday.
Fortaleza fans fought each other in the stands at half-time of their Copa do Nordeste match with Sport Recife on Thursday.
FK Sloboda Tuzla and FK Sarajevo fans fought inside the Tušanj Stadium during their cup tie on Wednesday.
Tottenham and Arsenal fans were involved in scuffles ahead of Saturday afternoon’s North London derby.
PAOK’s Greek Cup semi-final against Olympiacos was abandoned on Wednesday as home fans clashed with riot police on the Toumba Stadium pitch.
Marseille fans clashed with Athletic Bilbao supporters and riot police ahead of the second leg of a Europa League last-32 tie at the San Mames stadium on Thursday.
Diagoras hooligans attacked Ialysos supporters inside the Diagoras Stadium following their side’s defeat in a local cup final on Tuesday.
Bastia fans attacked a police station with projectiles and Molotov cocktails in response to police violence against the Corsican club’s fans in Reims.
A Southend United fan attacked rival Colchester United supporters during Saturday’s Essex derby at Roots Hall.
Atromitos and AEK fans clashed inside the Peristeri Stadium at the end of their Super League match on Sunday.