A high school student has been killed and three injured in a stabbing incident at the Notre-Dame-de-Toutes-Aides High School in Nantes, western France. A 15-year-old student carried out the attack with a knife during lunch before being subdued by teachers and taken into custody by police. Education Minister Elisabeth Borne is visiting the school to show solidarity with the victims and the school community, while a news conference by the regional prosecutor is scheduled for later in the day.