“Louise Mensch MP will announce this morning that she has tendered her resignation to the Prime Minister, and will stand down as the Member of Parliament for Corby and East Northamptonshire. In her resignation letter, Mrs Mensch thanked the Prime Minister for all his support, but said that she had “been struggling for some time to find the best outcome for my family life, and have decided, in order to keep us together, to move to New York.””

A Tory/Labour marginal by-election? Just what Dave wants right now…

UPDATE: The Labour candidate has hit the ground running:

https://twitter.com/andysawford/status/232391451240189952