The 15-year-old boy himself dialed 17 on his cell phone and told the police about his intentions.

He had in his possession a knife of thirty centimeters.

Unknown to the police, the young man was arrested, without resistance, and taken into custody. 

In Metz, a 15-year-old schoolboy was arrested by the police and taken into custody this Friday morning after threatening to "kill his teacher".

According to information gathered by Europe 1, which confirms information from BFM TV, the teacher took advantage of the morning recess to talk to him about a school dispute.

It was then that the student allegedly threatened to kill her and took out of his bag a 30 cm knife.

Read also - Teenage girl drowned in Argenteuil: the couple suspected "was putting everyone on their backs"

The teenager dials 17

The professor fled and sounded the alarm.

Meanwhile, alone in class, the teenager dialed 17 on his cell phone and announced his intentions to the police.

The management of the college therefore proceeded to evacuate and secure the other students and staff.

The student was finally arrested without resistance and taken into police custody.

He was completely unknown to the police until now.