DUP leader Arlene Foster has called for 'cool heads' in the Brexit talks amid growing fears that Britain will crash out of the bloc without a deal. PM Theresa May's Brexit plans have reached a crisis after she dramatically pulled the plug on a fledgling divorce settlement over the EU's demands for the Irish backstop. Report by Benaribiam. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn