At 00.30, a fire started in the stairwell and the police are investigating the incident as arson.
There is no doubt that the fire was started with the help of something, says the police's press spokesperson Mats Pettersson.
How the suspects went about it or what burned, the police do not want to comment on at present.
No one was injured in connection with the fire, which could be extinguished quickly. The fire, however, led to smoke and soot damage in the stairwell. The police's technicians have been on site and the blockades have been lifted.
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