Police have arrested a second person believed to be linked to the attack in Trèbes, France which led to the death of four people, and the terrorist himself, a judicial source said.
According to radio FranceInfo, the attacker's girlfriend, 18, was arrested earlier. Investigators found 3 homemade explosive devices, handgun, knife inside the attacked supermarket.
The French gendarme who swapped placed with a hostage in the supermarket siege crisis has died of his wounds, Interior Minister Gerard Collomb announced earlier.
READ MORE: Three Dead After 'Islamist Terror' Attack in France, Suspect Killed (VIDEO)
Lieutenant-Colonel Arnaud Beltrame, 45, rushed with a group of officers to the scene in the Super U, after the attacker, who claimed allegiance to Daesh*, stormed the supermarket and fired at shoppers and staff.
*Daesh (also known as ISIS/ISIL/IS) is a terrorist group banned in Russia