A parent was reported to attack the school building. However, he turned out to be a senior pupil – eleventh former Sergei Gordeyev. He broke into the building after having attacked the guards. They pressed the alarm button to call the police. The culprit wounded one of the policemen. Senior sergeant Sergei Busuyev died of the injuries. One more policeman was injured too.
The criminal released 24 tenth formers. Only the teachers remained hostages.
Information about a murdered teacher appeared later. The criminal has already been detained. The boy was an A student. He father persuaded him to give up.