The Conservatives are focusing on tax and Labour on the NHS as campaigning returns to traditional territory with three days left before the polls open. Ed Miliband said the election was a "clash of two visions" about health, wages, and the future of young people. David Cameron will say voters have an "inescapable choice" between him and the Labour leader and argue the Tories would cut taxes for 30 million people. The Lib Dems are pledging to spend bank fines on cancer diagnostic equipment. Leader Nick Clegg will set out plans to spend the £227m fine imposed on Deutsche Bank on "high-value" machinery, such as CT and MRI scanners, and on air ambulance charities. The main parties are seeking to drive home their central messages, with Mr Cameron highlighting a pledge to raise the point at which people start paying income tax and saying the Conservatives offer "a strong economy and a brighter future". He will tell a party rally that Labour would be unable to govern without support from the SNP, which polls suggest could make widespread gains in Scotland. "By Friday you'll either have Ed Miliband or me as your prime minister," he will say. "It's that simple - an inescapable choice: me leading a strong and stable government, or with him: the chaos of being held to ransom by the SNP." But, insisting again that he would not "negotiate" with the SNP, Mr Miliband said David Cameron was a "pretty desperate man" and wanted to reduce the contest to a "clash of two nations" rather than a battle of ideas. "This is a once-in-a generation election for the British people about who Britain is run for," he told BBC Radio 4's Today programme. "Is it run for working people or is it run for the rich and powerful? That is the choice between me and David Cameron." Mr Miliband, who was joined in Brighton by TV cook Delia Smith, also defended his decision to inscribe his party's six election pledges into a giant tablet of stone, which is set to be placed in the Downing Street garden if he gains power. The move has been mocked by sections of the media but Mr Miliband said it had "got people talking" and would serve as a reminder to people "that our pledges do not expire on 8 May" and he was "absolutely serious" about honouring them. "Our pledges are carved in stone," he added. "I think trust is a huge issue in this election. There are millions of people turned off this election. One of the reasons why is because they think no leaders keep their promises." Meanwhile, scuffles broke out on the streets of Glasgow when Jim Murphy, Labour's leader in Scotland, tried to address activists in the city centre. Protestors playing loud music and shouting "Red Tories out", drowned out the politician as he tried to make a speech alongside the comedian Eddie Izzard. Mr Murphy said it was evidence that the SNP were trying to disrupt the democratic process. But demonstrators interviewed by the BBC denied they were there on behalf of the SNP. Later, Nick Clegg will say the Lib Dems would spend £177m of Deutsche Bank's fine for rigging the inter-bank Libor rate on "a major equipment fund" for treatment and diagnosis of serious conditions such as cancer and strokes, with £50m being split between 20 air ambulance organisations. England would get £148m of the overall funding while Scotland, Wales and Northern Ireland would get £15m, £8.6m and £5m respectively. "When banks are fined, it is only right we use the money to improve vital public services and fund the organisations that do so much to build a fairer society," he will say. Opinion polls currently suggest no party will win an outright victory and another hung Parliament is likely. The Conservatives have denied Liberal Democrat claims that David Cameron privately conceded before the start of the campaign that he could not win an overall majority. Senior Conservative Michael Gove suggested comments by their coalition partners "in the heat of the battle" could not be trusted. But Mr Clegg said it was a "big, fat fib" to suggest the Tories could win the 323 seats effectively needed to command a majority in the House of Commons. "They are not going to get 323 seats and they know it," he said on a visit to south-west London. Meanwhile, Plaid Cymru leader Leanne Wood said she would be "staggered" if Labour believed it could automatically count on their support and that of other parties in the event of an inconclusive result. "If Labour want our support to run a government effectively they need to take on board some of the things that we are saying. It's arrogant of them to just assume that they can just take our votes without giving anything back in return," she told Today. She added: "We would be prepared to vote down a Budget by Labour if it was pushing, putting forward, more cuts on the backs of the poor."
