An explosion occurred during the night towards Wednesday at an apartment building in Helsingborg.
An alarm was received at 00.39 about a loud bang in the Fredriksdal area, and when the rescue service arrived at the scene, shattered glass and minor damage to a window were found, the police write on their website.
The police believe that it involves some form of smaller pyrotechnics that exploded outside an apartment that was empty at the time.
No one is injured.
The police have initiated a report regarding reckless endangerment.
