After winning the by-election in Heywood and Middleton by only 617 votes, Labour leader Ed Miliband says "there won't be a shred of complacency" from his party as they "reach out to all of those voters who didn't vote Labour and those who didn't vote at all". Report by Hoodl. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn