A violent altercation involving 10-15 individuals erupted at Sandefjord station, leaving a minor injured.

The incident, reported at 17:52, saw the injured party bleeding from the head, though conscious.

Initial reports suggest the use of a knife, but other accounts indicate stones were thrown or used as weapons.

Police have detained six youths, with five taken to the station for questioning.

The suspected perpetrator is being interviewed with parental presence.

Authorities have notified the child welfare services and are reviewing surveillance footage to understand the event's dynamics.

All involved are minors, and those detained are banned from Sandefjord's center until Monday.