On Monday morning, Hälsinggårdsskolan in Falun was evacuated again. For the third time in less than a week, the emergency services were alerted to the school after heavy smoke development.

"Someone has fired in a trash can again," says Daniel Fogd, internal commander at the rescue service.

The police are on site at the school together with the rescue service.

- We have sent a patrol there on the grounds that the rescue service wants assistance because the fire is on fire, says Lars Hedelin of the Bergslagen Police Region and continues:

- There have been previous incidents where it was also previously fired in trash cans. We have been there before and taken up the report and we have also had the local police in place to talk to the students that it could go terribly bad.

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In the clip, the headmaster at the school talks about the events of last week when the school had to be evacuated after heavy smoke development.