But he added: “If the identity he has declared is confirmed, he is a 26-year-old man of Moroccan nationality identified by the Spanish authorities to French intelligence services in February 2014 because of his connections to the radical Islamist movement”.
Belgian and French investigators are looking into the man’s motives, although police sources told French broadcaster i-Tele that he has denied having terrorist intentions.
Cazeneuve did not mention any visit to Syria or France, only naming Spain and Belgium as the suspected militant’s places of residence, this year and last.
The suspect, believed to be a man of Moroccan origin who recently lived in Spain and Belgium, was reportedly armed with a slew of weapons: A Kalashnikov assault weapon, nine chargers, a Luger automatic pistol, a 9mm charger and a box cutter.
Stone was one of three young American friends who helped overpower a Kalashnikov-toting suspected Islamist militant on a high speed train heading for Paris from Amsterdam.