The police are at the scene, but there is no information about any injuries, Göteborgs-Posten reports.
According to the deputy principal at the school, no students have been accommodated or evacuated.
There is nothing ongoing in the form of any danger to anyone, neither at the school nor to the public, police spokesperson Tamara Fuentes tells GP.
According to police, it is an isolated incident, but they do not want to go into further detail about what happened.
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