Elon Musk’s X is facing fresh heat from authorities across Europe after its Grok artificial intelligence system produced a string of nude deepfakes that included depictions of undressed minors.

The case is rapidly turning into the latest test for Europe on whether it dares crack down on Musk and other American Big Tech platforms, knowing it will draw the ire of U.S. President Donald Trump amid a major crisis in transatlantic trust and saber rattling over Greenland.