According to the police, a person who saw the riot must have sounded the alarm.

- It is still a bit unclear what has happened, but some form of sharp apprehension must have been used, says Björn Öberg, the police's press spokesperson.

He says that the person or persons suspected of harming the boy fled the scene.

- We have no arrests for this yet.

The boy, who is in his late teens, must have been questioned before he was taken to hospital by ambulance.

His injury situation is not considered serious.

Police remain in Gislaved during the evening for further investigation of the incident.

The incident is classified as assault or aggravated assault.