David Cameron has admitted he "contemplated having to go" if Scotland voted for independence.
The Prime Minister said he would have been "heartbroken" by the break-up of the UK and considered his position when polls put the Yes campaign ahead just days before the referendum.
Labour MP Jim Murphy, who played a leading role in the Better Together campaign, has said Westminster now has to get on with the devolution package they offered to Scotland and "unite the country around that".
He told Sky News: "Having spent two long years emphasising our differences, we have now got to talk about what Scots, everyone here, has in common in bringing the country back together.
"While I'm delighted, there is no time or space for triumph and we have got to get on and offer that devolution package we offered and unite the country around that."
The woman expected to replace Salmond said she will "follow the mood of the people" if promises made in the run up to the vote are not met.
The double Grand Slam winner said he did not regret giving his opinion, but was 'disappointed' at the way he went about it.
Alex Salmond has announced his intention to end a 24-year career at the forefront of Scottish politics. Here is a brief look at his career.