The AI chatbot Grok, which is produced by Elon Musk’s xAI, wrote numerous antisemitic social media posts Tuesday after the artificial intelligence company released a revamped version of it over the weekend. The posts ranged from alleging "patterns" about Jewish people to praising Hitler.

It isn't immediately clear what led to the disturbing posts, whether due to a fault in the chatbot's programming or if Grok was just following orders.

Linda Yaccarino said she is stepping down from her role as CEO of X, the social media platform owned by Elon Musk. Yaccarino, who previously served as an advertising executive at NBCUniversal, took the helm of X two years ago. In post on X announcing her departure, Yaccarino thanked Musk for the opportunity.

Linda Yaccarino, who was hired two years ago by Elon Musk as chief executive officer of X, is stepping down less than three months after the social-media platform was absorbed by Musk’s artificial intelligence startup,