A person attacked people with an ax at a supermarket Lidl in Jeumont, in the Hauts-de-France region of France, injuring 3 people, of which two have serious injuries.
The attacker later attempted suicide with the ax and injured himself.
Many police and ambulances were directed to the scene after the attack, no statement was made about the health status of the attacker.
The cause of the attack is not revealed yet.