PM accuses Miliband of leading a 'bunch or hypocritical , holier-than-thou , hopeless , sneering socialists ' But Mr Cameron admitted the General Election remains 'on a knife edge ' Made the comments at the Conservative spring conference in Manchester . Promised voters a 'truly May 7 ' NHS if Tories are returned to power . Tory leader 's speech was briefly interrupted by a heckle from the audience .
PM accuses Miliband of leading a 'bunch or hypocritical , holier-than-thou , hopeless , sneering socialists ' But Mr Cameron admitted the General Election remains 'on a knife edge ' Made the comments at the Conservative spring conference in Manchester . Promised voters a 'truly seven-day ' NHS if Tories are returned to power . Tory leader 's speech was briefly interrupted by a heckle from the audience .