The decision by Louise Mensch to resign as MP for Corby has sparked wide-ranging reaction from Westminster and beyond.
Jemima Khan and Sally Bercow are among those to have confessed their shock at the MP's decision to stand down.
Piers Morgan tweeted to say that it was "obvious @louisemensch just wants to spend more time with me in New York..."
More detail on national reaction to this story is on the ITV News site.
The by-election follows the resignation of former Tory MP Louise Mensch who stood down in August citing family reasons.
Labour leader Ed Miliband has been campaigning in Corby ahead of the crucial by-election there.
There are fourteen candidates standing in the Corby by-election on 15 November following the resignation of Conservative MP Louise Mensch.