Preliminary results of final Guardian/ICM campaign poll show Labour and Conservatives tied at 35% eachBritain is heading for a second hung parliament in succession after the most drawn-out election campaign since the war appeared to be ending in near deadlock with Labour and the Conservatives tied at 35% each according to the preliminary results of the final Guardian/ICM campaign poll.Ed Miliband’s party has pulled back three points on ICM’s previous campaign poll, published nine days ago, with the Conservatives remaining unchanged.