So far, five reports have been received by the police regarding the noise at Iggesund's school, writes Helahälsingland. The noise escalated relatively shortly after the outbreak to both punches and kicks. Later, two boys will also retrieve tire iron and ratchet shaft.

The students go in grades 6 to 9 according to the principal Tina Fagerström at Iggesund's school. She has also shut down all six students from today Thursday through Friday.

Both the school and the police will conduct an investigation.