Players gathered on the side of the pitch as the match was abandoned
Bayern Munich have made an official complaint to Uefa after their Youth League match against Olympiakos was abandoned due to crowd violence.
The German giants said several fans were hospitalised after they were attacked by masked thugs during the match.
Munich were leading 4-0 after 84 minutes when the under-19 match on Tuesday was abandoned.
"The incident shocked us," said Bayern coach Martin Demichelis.
"Our thanks go to the players, the coach and the Olympiakos officials who took care of us after these events".
Police said 80 people arrived at the Rentis Athletic Centre in Piraeus on 40 scooters. About 30 of them, wearing masks or helmets, invaded the venue and assaulted Bayern fans with clubs.
"Olympiakos FC strongly condemns the attack during the match. The invaders have no place among the family of Olympiakos and have nothing to do with the family of Olympiakos," a statement from the club said.
Uefa confirmed they are investigating the incident.
Source: bbc.com