"It suggests that 44% of voters in key marginal seats like Crawley and Hove in the south of England would vote Tory at a general election - down from 48% last year.
Support for Labour is languishing at 20%, while the Lib Dems are down from 21% to 18%. But support for "others" - UKIP, the Green Party, the BNP and other small parties - has doubled, from 9% to 18%.
The polling suggests a surge in support for UKIP, in particular.
In summer 2008, just 1% of people in marginal seats said they would back the party at a general election. Now that figure has risen to 6%.
When Irish eyes should be sleeping…
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