Just before 6pm on Sunday, the alarm came to the police, who called several mall patrols, according to Bohusläningen.

- We have checked lots of people and prepared a report of illegal threats, says Gittan Peterson, on-duty investigative officer at the police, to Bohusläningen.

The police must have checked a large number of people and prepared a report of illegal threats. There will be more hearings.

- We don't know exactly what happened. It was a messy situation and we have to work on this to see what has happened. It is a work that will continue for some time to come, ”Gittan Persson tells Bohusläningen.