Social media bosses are being summoned to Downing Street on Thursday to discuss children's safety online with the prime minister. Top executives from Meta, Snap, YouTube, TikTok and X are expected to be questioned by Sir Keir Starmer and Technology Secretary Liz Kendall on what they are doing to protect children and respond to parental concerns. Sir Keir said the meeting would be about "making sure social media companies step up and take responsibility". It comes midway through the public