Social media platforms must police their sites better, says Ofcom

Chief executive joins those arguing that social media are under-regulatedSocial media platforms need to be “more accountable” in how they curate and police content on their platforms, or face regulation, the head of Ofcom has said. The threat comes as Facebook stares down a barrage of criticism in the US for its refusal to bar the US conspiracy theorist website InfoWars from its platform, even as it mounts an international ad campaign claiming that “fake news is not our friend&