Cops fear a pupil launched the deadly attack on kids and teachers at the children’s home in Tomisławice in the Sieradzki district.
At least 13 people were injured in the attack, State Fire Service officers report.
Cops, fire engines and medics are at the scene.
Spokesman for the Poviat Headquarters of the State Fire Service Marcin Zwierzak told Kalisz24: “Very preliminary findings show that it was most likely one of the pupils who suddenly attacked the teacher and other residents with a knife.”
Officers have launched a manhunt for the suspected attacker.
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