A large area by Slättvägen was cordoned off in connection with the incident.
The perpetrators must have fled the scene and were not yet arrested at 23.20.
- The information we have states that it is two perpetrators who must have performed this.
We have an idea of what people this could be, says Andreas Odén, duty officer at the police.
- Now the roadblocks are in place.
We are ready on the spot and are now working on other fronts.
The alarm came in shortly after 20:00.
The injured man's condition is described as stable.