David Cameron is to stand down as MP for Witney, triggering a by-election in the Oxfordshire seat, he has announced.
Mr Cameron told ITV News that he had thought "long and hard" over his choice but had ultimately decided that he would be a "distraction" from the work of government.
The Scottish Conservatives leader has indicated that she will not seek to take David Cameron's place as the MP for Witney after he stood down today.
Ruth Davidson was seen as a potential front-runner for the safe Conservative seat.
However she threw cold water on the speculation by saying anyone thinking of betting on her taking the seat should 'save their money'.
Cameron said he would stay on as Witney MP after resigning as PM - but he said in practice it was an impossible switch.
The former prime minister has stepped down from his position in parliament as he resigned his seat as the MP for Witney.
He rose to lead the country before an equally dramatic downfall after failing to persuade the public to vote to remain in the EU.