The police have cordoned off the site for a technical investigation and are looking for one or more perpetrators, including with the help of dog patrol.
In addition to that, work is being done to collect witness information.
There is currently no information on the person's condition, but an ambulance helicopter is on the scene.
- It is not possible to say anything yet about the damage, the ambulance helicopter is on the scene but has not left yet, says spokesperson Carina Skagerlind at the police and continues:
- We have large resources working on site and no secure identity of the injured person.
There are currently no suspects.
- We are hunting for the perpetrator or if it is several.
We control people in the area, says Carina Skagerlind,
The alarm came in at 6pm on Saturday.
The text is updated.