A chatbot created by Elon Musk’ s artificial intelligence company launched into an antisemitic tirade Tuesday and invoked Adolf Hitler, days after Musk touted updates that would reduce its reliance on mainstream media sources and train it on information that is “politically incorrect,” our colleague Faiz Siddiqui reports.

Now, as Grok comes under fire for hate speech, its parent company is facing a lawsuit for potentially violating the Clean Air Act.

Hours later, on Wednesday, X CEO Linda Yaccarino resigned from the company after just two years at the helm, though it wasn’t immediately clear whether her departure was related to the Grok issue.