Radiohead have joined TikTok today (April 1) and have shared a cryptic new video.A verified account for the group appeared on the video app for the social media site earlier today.The group shared a short clip of mysterious Radiohead associate, Chieftain Mews, who can be seen delivering a dystopian news broadcast at a desk which has the words ‘Mews’ displayed and Radiohead’s logo in the background.The black-and-white, low-fi video has a grainy filter and a ‘Mews’ sign can be seen on the desk.