The latest YouGov poll from tonight has a very interesting figure - that 10% of those who voted Conservative in 2010 are now backing UKIP. By any measure, for one in ten voters to have switched to a rival Party is a huge number and is very good news indeed for UKIP. Don't forget, we are still less than two years into a Coalition that is supposed to last until 2015.
It gives even greater evidence to the mounting speculation today that the right-wing of British politics is shifting. With Councillors and an MEP already having defected and MPs potentially on the way also, polls are also confirming that ordinary voters are deserting the Conservatives for UKIP in large numbers.