During the afternoon, a public area within the Skellefteå urban area was cordoned off for technical investigation.
Those involved are in their 30s and already familiar with each other.
- Right now, the head of the preliminary investigation does not want to go out with any heading before they have succeeded in moving forward with a number of investigative measures.
Technicians started working in the area during the evening and will remain on site for a while longer, says Caroline Kinnå, communicators at the regional management center.
How many are involved?
- This or that type of crime it is about, we will go into now for investigative reasons, says Caroline Kinnå.
The police do not want to go into what kind of crime it is.
After the incident, a person must have been taken to hospital.
No one is currently detained.