It is unknown cause of fire, says Jens Andersson, press spokesperson at the police, to the newspaper.
The alarm about the fire came at 03.25 and police and rescue services were sent to the scene. About ten people were in the premises when it started burning, but are said to have got out of the building.
According to the rescue services, there are no reports that anyone was injured.
The building that is on fire will be allowed to burn down. We are working at full speed and will remain here for a good part of Saturday, says L-O Nordström, alarm and control operator at the rescue services, to GP.
The police have initiated a preliminary investigation into arson.