The gentleman pictured above is Richard Porter, who fought Camberwell and Peckham for the Lib Dems at the last General Election and who has joined the Conservative Party over the Christmas break; along with colleagues John Barstow, who stood at Tonbridge and Malling, and Tariq Mahmood, a physician who contested Uxbridge.
The BBC reprt says:
"Mr Porter is a gay rights campaigner who wrote the Liberal Democrat manifesto for the lesbian, gay, bisexual and transgender community in the 2005 general election.
He described Lib Dem leader Menzies Campbell as a "has-been" who had put the party "in reverse gear".
He said his personal beliefs were no longer best represented by the Lib Dems, but by the Conservatives.
John Barstow, a union steward, said his former party were "bland, formulaic and out of touch with real life".
Earlier this year three other Liberal Democrat general election candidates defected to the Tories.They were Adrian Childs in West Suffolk; Jeff Clarke, in Wirral West; and Rene Kinsett in Swansea West, plus the former Labour candidate for Horsham, Rehman Chishti. "
People have heard the talk, they have listened to David Cameron promise to make our party more inclusive and adopt a 21st century political agenda but I recognise that people need to see more than words. Herre we have yet more proof that change is real, and permanent.
The Conservative Party are serious about broadening our appeal and reaching out to a far wider section of the community for our support. The fact that so many senior political activists from our opponents- people who were right at the front line of the last General Election- have seen enough to give us this vote of confidence is very good news indeed.