Labour leader Ed Miliband has slammed claims from the Conservative party that there is £20.7bn of unfunded spending pledges as "completely false".
Ed Miliband
Tory Cabinet ministers joined Chancellor George Osborne in the accusations, stating that Labour's spending plans simply do not add up, but Ed replied that his party is being "cautious" of the main parties.
Speaking before a rally, he told supporters to hold four million conversations with those going to vote before the general election.
Labour now focus their campaign on the NHS, and BBC political editor Nick Robinson says that "familiar" lines are being used by the two largest parties to attack one another.
On BBC Breakfast, Mr Miliband had promised a "positive campaign".
"We are putting forward a positive case for a change in direction" he insisted.
He went on to defend the economic plans of Labour, stating he made a "clear commitment" that outside protected departments - including health - would see a fall in public spending.
"I'm afraid this is what the Tories are going to, the kind of campaign they're going to run".
"It's going to be a choice of hope with us and falsehood from the Conservatives. The Institute for Fiscal Studies, respected independent body, has said that Labour has been the most cautious of all the parties in making commitments."
The Conservatives however state that Labour can't be trusted not to spend and tax and borrow, whilst Labour thinks the Torys cannot be given hold of the NHS.
In Salford, speaking to Labour activists, Miliband went on to say no proposals in his manifesto would be funded by "additional borrowing".
Predicting "the usual sound and fury" during the campaign, he said the government are now "pressimists".
Shadow health secretary Andy Burnham spoke to BBC Radio 4's Today programme about the NHS and said the health service is to change "beyond recognition" if the Conservatives win sole power.
Liberal Democrats leader Nick Clegg meanwhile is to advocate a "strong coalition government, with Lib Dems anchoring it in the centre ground".
He's expected to brand Tory plans to tackle the deficit "a con", and will claim that Labour's policies represent a "clear and present danger" to the current economic recovery.
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