He was 15.
However, regional newspaper La Voix Du Nord quoted a girl, who was reportedly standing near the teenager, as saying he did not pick up the grenade.
"He didn't pick it up. I was there, I saw it. He didn't pick it up, he didn't catch it," she was quoted as saying.
And
Last week, Eden, 14, was badly hurt in Saint-Ouen-l'Aumône after reportedly being struck in the head by a tear gas grenade.
The student suffered "a double jaw fracture" and had to undergo "extremely major surgery", according to his lawyer. Interior Minister Laurent Nuñez has announced an investigation.