Polling stations across the UK opened at 7am, giving millions of voters the chance to decide if the Tory incumbent remains in the top job or the Labour leader enters Downing Street. Opinion polls suggest Labour is on course to secure a big majority in the House of Commons and form a new government. Report by Covellm. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn