Rishi Sunak says he is "humbled and honoured" to be nominated as leader of the Conservative Party and says "stability and unity" are his "upmost priorities". In a short statement he says the UK faces "profound economic challenges" and that he will work "day in, day out to deliver for the British people". <br /> Report by Nelsonr. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn