The Conservatives tonight claimed the prize scalp of Liberal Democrat Climate Secretary Ed Davey.
And veteran Lib Dem Simon Hughes was set to become another high-profile casualty in Bermondsey & old Southwark.
Davey's defeat in Kingston and Surbiton was the biggest shock so far in the London battleground.
Mr Davey, who has represented the seat since 1997, was defending a majority of 7,560.
The Tory campaign in support of candidate James Berry included visits from David Cameron, George Osborne and Boris Johnson.