article_snippet: The first full survey since Miliband and David Cameron faced a TV grilling shows Labour has opened up a four-point lead over the Conservatives.
article_snippet: The new YouGov survey has Labour on 36 per cent with the Tories trailing on 32 per cent.
article_snippet: The four-point lead puts Labour on course to win 314 seats, with the Conservatives on 251 .
article_snippet: Recent polls have put the Tories and Labour within one or two points of each other. 
article_snippet: But The new YouGov survey has Labour on 36 per cent with the Tories trailing on 32 per cent.
article_snippet: The four-point lead puts Labour on course to win 314 seats, with the Conservatives on 251.
article_snippet: Labour has also made gains in an Opinium poll for The Observer.
article_snippet: The Tories dropped two points to 34 per cent in a week, with Labour unchanged on 33 per cent.
article_snippet: an Opinium poll for The Observer showed Ukip down one point on 13 per cent, while the Liberal Democrats were up one on 8 per cent.
article_snippet: The Greens were also up one on 7 per cent.
highlights_snippet: New YouGov opinion poll puts Labour on 36% and Tories on 32% .
  