Ed Davey says Lib Dems are 'not complacent' as party eyes up blue wall

Ed Davey says his party are making positive strides in their bid to oust a significant number of Tories from the blue wall.

The Lib Dem leader says "so many" ex-Tory voters are opting to vote for his party at this election, but he insists they remain vigilant in their task to deliver a positive result.