The third arrest was made Saturday night, and that all three of the suspects are Sudanese, the French anti-terror prosecutors office said.
On Saturday, a man attacked residents with a knife in the small town of Romans-sur-Isere, injuring several people in addition to to the two fatalities. Residents, who were in lockdown amid the pandemic, were carrying out their permitted daily food shopping.
Frances counter-terrorism prosecutors office said the assailant was arrested minutes after as he was kneeling on the sidewalk praying in Arabic. It said one of his acquaintances also was detained.