A search was being carried out at the French offices of Elon Musk’s social media platform X as part of an investigation opened in January 2025, the Paris prosecutor’s office said Tuesday.

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

That has now been expanded following complaints over X's AI chatbot Grok, they said.