French authorities raided the Paris office of Elon Musk’s X and summoned the billionaire for an interview, a major escalation of European regulators’ battles with the social-media platform.

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 a widening investigation, amid growing scrutiny of t...

Its cyber-crime unit is conducting the searches, it said in a statement on X.