3/10 'more likely to vote Tory' after EU poll pledge

Three in 10 people are more likely to vote Conservative as a result of David Cameron's pledge of an in/out referendum on Europe, according to a ComRes survey for The Independent. The poll found:

• 30% of the public said they would be more likely to back the Conservatives as a result of the pledge
• 16% of Labour voter and almost 40% of UKIP voters said they would be more likely to vote Tory as a result