New poll puts the Conservatives eight points ahead of the Lib Dems.
Lib Dems up to 34 per cent in new poll, three points ahead of the Tories.
New YouGov poll puts the Tories two points ahead of the Lib Dems.
Dramatic increase in support continues as new YouGov poll puts the Lib Dems in first place.
New poll puts Lib Dems up 12 points to 32 per cent, ahead of the Tories.
Support for Lib Dems surges eight points to 30 per cent, just three points behind the Tories.
Poll bounce for Nick Clegg's party following first TV debate.
Tories down four points to 37 per cent in latest YouGov poll.
Latest YouGov poll suggests Tories will win a small majority at the election.