At least one police officer was killed in a knife attack at a police headquarters in central Paris. The perpetrator, a police employee, was shot dead by other officers. At least four officers dead in attack at Paris police headquarters According to French sources there are four killed, including the attacker. DIRECT. Attaque à la préfecture de police de Paris : 4 morts, l’assaillant tué According to the police union spokesman in a live video, there are five dead.