The man was found seriously injured in a stairwell in an industrial area in Brandbergen in Haninge municipality at around 18:30 on Wednesday evening. The police have cordoned off large parts of the area. Bus traffic is also affected by the closures.
According to the police, the man must have been subjected to severe violence by one or more perpetrators. Exactly how it happened is something that the police are now investigating.
No one has been arrested at this time.
The text is updated.