Austria Vienna and Rapid Vienna fans briefly clashed in the stands after the final whistle of their Bundesliga match at the Ernst Happel Stadium on Sunday.
Sporting fans were attacked by fans from Spain before the match.
Austria Vienna and Spartak Trnava fans briefly clashed near the Ernst Happel Stadium ahead of their Europa League match on Thursday.
Olimpija and Žilina hooligans clashed ahead of the Slovenian side's Champions League 2nd qualifying match with AS Trenčín at the Štadión pod Dubňom on Wednesday.
Let's take a look back at some of the craziest moments of Euro 2016.
French fans clashed with riot police near the Eiffel Tower during the Euro 2016 final.
Persija fans invaded the pitch and staged a riot during the second half of their match against Sriwijaya.
Hungarian fans briefly clashed with stewards before the match.
English and Welsh fans were involved in clashes with Russian hooligans in Lille.
Russian hools attacked England fans inside the Stade Velodrome after the match ended.
English and Russian fans clashed with each other and riot police in the French port city of Marseille.
Trouble broke out again in the Old Port district of Marseille.