Before the game started, police said several people got into a fight and three were injured, with one Spanish and one Swedish citizen taken to hospital. Police opened a criminal investigation into the suspected offence of group aggravated assault and seven Polish citizens have been arrested.
In a separate incident in downtown Budapest, police said two fans, one Spanish and one Italian, were assaulted. Two Polish nationals have been arrested.
Sevilla are bidding for a record-extending seventh Europa League title against a Roma team coached by Jose Mourinho, who has led teams to five major European trophies including last year’s Conference League with the Italian capital club.
(Reporting by Boldizsar Gyori; Editing by Ed Osmond)