LONDON, Jan 19 : British Prime Minister Keir Starmer said on Monday more needed to be done to protect children on social media following the worldwide scandal of Elon Musk's Grok AI chatbot producing non-consensual sexual images. "We need to do more to protect children, and that's why we're looking at a range of options, and saying no options are off the table," Starmer told reporters. Musk's xAI last week said it had implemented tweaks to prevent the Grok account "from allowing the editing of