Theresa May has said if politicians reject her Brexit deal, it will set the country on "a path of deep and grave uncertainty." Defiant in the face of mounting criticism, the Prime Minister said she believed "with every fibre of my being" that the deal her government struck with the European Union was the right one. Report by Blairm. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn