Six officers from the Catalan police were injured on Tuesday evening in violent clashes with fans of Antwerp, who were playing their first Champions League match against Barcelona, several Spanish media outlets have reported.
A large group of fans made their way to the stadium before the match, and it was reported that some of them attacked the police.
The incidents occurred at around 20:00 north of Barcelona's Olympic Stadium, where the match was taking place. Fans reportedly threw bottles, cobblestones and chairs at police officers.
One of the police officers was seriously injured and suffered a fractured arm, according to the Spanish newspaper El Nacional.
Five other officers suffered minor injuries. The Catalan police, in collaboration with their Belgian colleagues, have launched an investigation to identify those responsible.
Antwerp lost the match 5-0.
