Apparently, a teacher at the school on Framstrasse in the Blankeni district was initially threatened with a weapon by two students. It is said that one of them was armed with a black pistol. Special forces arrived and police with submachine guns surrounded the building. Officers are now inside and searching for two suspected criminals. It is said that he was seen in the school building.
The students were first taken out of the school by police officers. A collection point has been set up nearby where parents can also meet.