The raid could further increase tensions between Europe and the U.S. over big tech and free speech. PARIS, Feb 3 (Reuters) - French police raided the offices of Elon Musk ’s social media network X on Tuesday and prosecutors ordered the tech billionaire to face questions in April in a widening investigation, amid growing scrutiny of the platform by authorities across Europe. France’s raid and the summoning of Musk - which could further increase tensions between Europe and the U.S. over big tech