"We have a bit of different information on where they should have been, but we have a patrol in place in central Osby to find out what has happened," said police spokesman Kim Hild at 15 on Saturday afternoon.

According to information provided to police, any kind of glass bottle or glass jar should be used in the fight.

- There is no information yet that someone was seriously injured, but ambulance is alerted to the scene, says Kim Hild.