The police of Vincent (in the southern part of Paris) shot a mentally sick person armed with a knife, reports the AFP. 29-year-old man was in the house, when two nurses at his mother's call arrived to assist him, since his health condition deteriorated. The man attacked the nurses with a knife, but they fortunately managed to escape.  When the police officers arrived to the scene, the patient ran out of the apartment and stabbed a female police officer with his knife. In response, the police opened fire and killed him on the spot, reports the TASS. The woman was taken to hospital. Her life is not in danger.