Prime Minister Boris Johnson has said the guidance that masks are not required in English schools could be altered if the medical advice changed. He told reporters during a visit to Appledore in Devon: "On the issue of whether or not to wear masks in some contexts - you know, we'll look at the changing medical evidence as we go on. If we need to change the advice then of course we will." Report by Blairm. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn