
Reports say a caretaker contacted the police after freeing herself up from being bound and gagged by the suspect.
On entering the building, police found the body of a woman who had been stabbed several times.
The home houses retired missionaries that had worked in Africa as well as a few nuns.
A police official according to Reuters, said “the 60 residents of the facility were out of danger” as they have been evacuated and “the search is continuing in a larger perimeter with help from a helicopter and police dogs”.
France is on heightened alert and has been under a state of emergency since a wave of Islamist attacks in 2015.