Fiorentina hooligans attacked West Ham fans at a bar in Prague on Wednesday afternoon ahead of their Europa Conference League final.
West Ham supporters came under attack from AZ Alkmaar fans at the end of their Europa Conference League semi-final second-leg at the AZ Stadium on Thursday night.
West Ham and Eintracht Frankfurt fans clashed on the streets of Seville on Wednesday night, in between the two clubs’ Europa League ties.
Fans of Tottenham and West Ham clashed ahead of their EFL Cup quarter-final tie on Wednesday evening.
West Ham and Tottenham fans came to blows at the London Stadium during half-time of Sunday’s Premier League match.
A group of Dinamo Zagreb hooligans attacked West Ham fans in a pub in the Croatian capital on Friday.