A high school student was killed and three others were injured in a knife attack at a school in the western French city of Nantes on Thursday before the assailant was overpowered by teachers, police said.

One student is dead and at least three people seriously hurt in a Thursday French school stabbing. The 15-year-old attacker was arrested at Notre-Dame-de-Toutes-Aides school in Nantes.

A high school student has been killed and three others injured in a school stabbing attack in western France, police have said. The alleged culprit, a 15-year-old student, was tackled by teachers and overpowered after the attack at around 12:30pm at the Notre-Dame-de-Toutes-Aides school near the town hall of Doulon, in Nantes.