The Prime Minister's speech on Europe has halved Labour's lead in the polls, according to a new ComRes survey for tomorrow's Independent on Sunday and Sunday Mirror.
David Cameron promised an in/out EU referendum in a speech in London last Wednesday.
Support for the Conservatives comes at the expense of Ukip, while Labour's rating remains unchanged at 39%.
- Conservative 33% (+5 since December ComRes poll)
- Labour 39% (no change)
- Liberal Democrats 11% (+2)
- Ukip 10% (-4)
- Others 7% (-2)
To the surprise of many Lib Dems, Nick Clegg appears to have played down the importance of the Coalition's divide on an in-out referendum.
Business leaders in Davos are worried about the Prime Minister's pledge to put Britain's membership of the European Union to a referendum.
With some in France keen to "roll out the red carpet" for a British exit, Germans favouring decentralisation welcome EU renegotiation talks.