Police are called to Hammarbyhöjden due to an explosion at the entrance to a multi-family house.
Few residents in a multi-family house in Hammarbyhöjden call the police when they hear a loud bang.
On the scene, it can be established that something has exploded at a door to a stairwell, resulting in splinter injuries, among other things, on the entrance door as a consequence.
Police have cordoned off the crime scene and a technical investigation will be conducted.
There are no reports of anyone living in the building being physically injured.
Update at 05:15
A preliminary investigation into gross public destruction is underway.
National bomb protection is on site as usual to secure the cordoned-off crime scene before the police's forensic technicians begin the technical investigation.
Update at 05:45
During the ongoing police operation, a person has been arrested who is suspected of committing the crime.