Authorities were investigating on Sunday whether the heavily-armed alleged gunman thwarted in the midst of an apparent terror attack on a Amsterdam-Paris train was acting alone, or whether "a wider framework" was involved.
Belgium's chief prosecutor Eric Van Sypt told NBC News that the attacker was 26-year-old Moroccan Ayoub El Khazzani, who had lived in Europe for several years and recently spent time in Brussels.
Van Sypt said it was not yet known if El Khazzani had an accomplice or was acting alone, and authorities in Belgium were probing "if there is possibly a wider framework involved."
French Interior Minister Brenard Cazeneuve said Saturday that Spanish authorities had flagged a 26-year-old Moroccan in February 2014 because of his links to radical Islam.
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