A young man, aged 24, is suspected of having killed his mother this Thursday morning in the village of Saint-Didier-de-la-Tour, in Isère, reports Le Dauphiné Libéré.
He is suspected of having stabbed her several times with a knife.
It was the sister of the suspect, injured, taking refuge with neighbours, who alerted the police around 5:30 a.m. after the incident.
The emergency services and the gendarmes then discovered the victim, aged 45, dead in the family apartment.
The soldiers arrested shortly after the young man suspected wandering in the streets of the village.
An investigation has been opened.