During the morning and the morning, the police carried out a major operation in an apartment building on Skallberget in Västerås.
The national bomb squad is on site, but it is currently unclear if anything explosive was found or investigated.
The police are silent.
- I can not go into further details, but no person has been injured and no person has been arrested, says Magnus Jansson Klarin.
The police announce that no explosion has occurred at the site and that more information will come during the day.
The text is updated