One MP, David Howarth, threatened to stand down and forceabyelection for his Cambridge seat if the party reversed course.
3
Goldsmith, MP for Richmond Park, has said he would step down from his Commons seat and forceabyelection if Heathrow were chosen.
4
Carswell shocked Westminster last week by announcing he was joining the Eurosceptic UK Independence party and standing down from parliament to forceabyelection.