Facebook has said that it does not fact check politicians' statements on its site, even if they might be false. The social network operator said it is because such statements could be newsworthy and it doesn't want to act as a referee for political debates.<br />'' <br />'' Facebook works with third-party fact checkers to weed out misinformation, such as false news and manipulated photos and videos. Facebook's Vice President of global affairs Nick Clegg said if politicians share previously debunked links or other material, those will be demoted and banned from being included in ads.<br />'' <br />'' He said at the Facebook, their role is to make sure there is a level playing field and not to be a political participant themselves. Critics say treating politicians' speech differently gives them a free pass to spread hate, abuse and misinformation.<br />''  <br />