13 February 20:20, Smällar, Karlstad

SOS Alarm received during the evening calls about what was initially classified as "explosion" in a building on a schoolyard in Karlstad. Upon inspection, it turned out to be some form of firecracker/firework that was thrown into one of the toilets. No person has been injured.

The rescue service has checked to ensure that no fire has occurred and the fire alarm has been restored. There was some kind of event taking place in the premises when the incident occurred. 

The police are on the scene and investigating what happened. 

Update: A report will be filed regarding the offense against the law on hazardous and explosive goods. At present, there is no suspect.