"He's so scary!" That's just one of the reactions to images claiming to show the Cat in the Hat on the streets after dark, which have sparked fear and confusion among teenagers. The posts, seen by millions, have convinced some young people that the Dr Seuss character is real and that they might encounter it, prompting police forces in Ireland and the UK to issue statements confirming that the images and videos are fake. Tap the link in @BBCNews's bio to find out how more people reacted. #DrSeuss #CatintheHat #Viral #BBCNews