French police near the Rue de la Goutte d’Or in north Paris on Thursday, after police shot dead a knife-wielding man who reportedly shouted “Allahu Akbar” (God is greatest). Photograph: Lionel Bonaventure/AFP/Getty Images

Paris was jolted yet again on Thursday morning as a man in a dark coat brandishing a butcher’s cleaver and crying “Allahu Akbar” approached a police c(...)