Gefle Dagblad was the first to report the incident, which according to police began at 14.

Tobias Ahlén, press spokesperson for Mitt police region, can currently only provide brief information:

- We are on site, this is investigative work, is what I can say.

Ahlén also cannot confirm that the police's intervention force has been involved.

- But we have been on site with several patrols anyway.

One person has been seen being taken out of the current house by the police, but according to SVT, two persons may have been arrested.

The text can be updated.