FILE PHOTO: People gather at the Place de la Republique in Paris, to pay tribute to Samuel Paty, the French teacher who was beheaded on the streets of the Paris suburb of Conflans-Sainte-Honorine, France, October 18, 2020. Placard reads "I am a teacher". REUTERS/Charles Platiau/File Photo
More police operations were underway on Monday in connection with the killing of a French teacher by a suspected Islamist, French Interior Minister Gerald Darmanin said.