People gather in front of the Bois d'Aulne college after the attack in the Paris suburb of Conflans St Honorine, France, October 17, 2020. A middle school history teacher in France was knifed to death near the school where earlier this month he had shown his pupils cartoons of the Prophet Mohammad. REUTERS/Charles Platiau

People bring flowers to the Bois d'Aulne college after the attack in the Paris suburb of Conflans St Honorine, France, October 17, 2020. The attacker was shot dead by a police patrol a few streets away from the scene of the attack late on Friday afternoon. REUTERS/Charles Platiau

People bring flowers to the Bois d'Aulne college after the attack in the Paris suburb of Conflans St Honorine, France, October 17, 2020. Friday's killing, by targeting a teacher, was interpreted by many public figures as an attack on the essence of French statehood. REUTERS/Charles Platiau

People bring flowers to the Bois d'Aulne college after the attack in the Paris suburb of Conflans St Honorine, France, October 17, 2020. REUTERS/Charles Platiau

People bring flowers to the Bois d'Aulne college after the attack in the Paris suburb of Conflans St Honorine, France, October 17, 2020. REUTERS/Charles Platiau

People bring flowers to the Bois d'Aulne college after the attack in the Paris suburb of Conflans St Honorine, France, October 17, 2020. REUTERS/Charles Platiau