After violent clashes before and during the Champions League duel between Bundesliga club Eintracht Frankfurt and SSC Naples, 36 people were arrested.
After the end of the game or the end of the police measures, however, they were released again, as a police spokesman said. Some fans were slightly injured in the clashes, it said.
The incidents included around 150 Eintracht fans throwing bottles and stones at minibuses and vehicles carrying Italian fans. However, the majority of those involved fled undetected from the police, as the police spokesman explained.
Striking tools and pyrotechnics were also found in the vehicles of SSC Napoli fans. In addition, there was also a fight between the fans of both teams, which the police ended with the use of pepper spray, according to the spokesman.