According to Rädningsregion Bergslagen, the fire was extinguished at

15.30 and the rescue service aired out the stairwell.

At the moment, the police cannot answer where the fire started, but suspect that it was arson.

- The apartment is cordoned off for a technical examination, says Olle Lund, officer on duty at the police in Bergslagen.

According to him, the crime classification is attempted arson.

It is unclear if anyone was in the apartment when the fire started, but according to the police, no one was injured.