An explosion has occurred in a stairwell in Ösmo north of Nynäshamn. The entrance door to the building and a apartment door have been damaged.
It's some object that has exploded outside a gate, says the police's press spokesperson Nadya Norton.
No personal injuries and no major damage to the building, beyond the entrance door, says Anders Hägglund, duty officer at the rescue service.
No suspect has been arrested. An investigation has been initiated for gross general endangerment and gross offense against the law on fire hazardous and explosive goods.
Corrected: In an earlier version, Ösmo was incorrectly assigned to a municipality.
