The department expressed support for law enforcement officers injured during this operation.
According to BFMTV, two police officers were injured during a shootout with the attacker.
On May 28, an unknown assailant attacked a police officer with a knife in the French commune of La Chapelle-sur-Erdre near Nantes, after which he fled.
The injured woman was taken to hospital.
There is no information on possible motives for the crime.
According to media reports, the attacker suffered from a mental disorder.