A re-cap on the day's main stories:
The Conservatives are to confirm they would spend an extra £8bn for the NHS in England by 2020
Labour said the Tories had made similar unfunded pledges
A senior Conservative source has told the BBC the party will pledge to raise the threshold for inheritance tax to £1 million
Labour leader Ed Miliband said the Scottish National Party's economic policies would have a "devastating" impact on the country and that taking full control of taxation would leave Scots with a £7.5bn "black hole" in their finance
The SNP leader Nicola Sturgeon said Labour were desperate and resorting to a campaign of "fears and smears"
That's all from the Politics Live team for tonight. We'll be back in the morning, from 06:00.