Top civil servant Sir Jeremy Heywood reveals post - election planning . Cabinet Secretary has spoken to ministers about staying on after election . He will remain PM until an alternative government can be formed . Coalition talks between multiple parties will last for several weeks . Ministers who lose their seats could stay on in caretaker governments .
Top civil servant Sir Jeremy Heywood reveals post-election planning . Cabinet Secretary has spoken to Cameron about staying on after result . He will remain PM until an alternative government can be formed . Coalition talks between multiple parties could last for several weeks . Ministers who lose their seats could stay on in caretaker government .