Nick Clegg is currently setting out his party's policy on the deficit and public spending. He kicks off by accusing the other parties of silence on the issue, saying they lack courage.

Image source, Sky News

UKIP deputy leader Paul Nuttall denies the wind has been taken out of UKIP's sails. He says what really matters is how UKIP is polling in its target seats, and in those areas he claims his party is actually doing better since the general election campaign proper started. He talks about UKIP's "2020 vision" - planting seeds in constituencies with second-place finishes now, and building toward a much broader campaign in five years' time.

Dermot Murnaghan suggests to Yvette Cooper that a mug which features Labour's vow to introduce "controls on immigration" has raised the eyebrows of a few senior figures, including Shadow Business Secretary Chuka Umunna. But she refuses to be drawn on a potential divide at the top of the party - this is a "storm in a coffee cup". She then moves on to setting out the Labour pledges on immigration.

Image source, Sky News

On Sky News' Murnaghan programme, Yvette Cooper denies Labour is making unreliable predictions about the £7.5bn their plans to crack down on tax avoidance would raise. She says this will be the party's expectations of the Treasury.

Harriet Harman says accusing Ed Miliband of being someone who would "stab the country in the back" turns people off politics, at a time when many are already disengaged. But, says Andrew Marr, why is this worse than referring to George Osborne and David Cameron as "posh boys"? Mr Osborne says he personally thinks the campaign is "energising", and is showing that the only real choice is between Labour and the Conservatives.

Kevin Spacey, who plays fictional US president Frank Underwood in TV programme House of Cards, is challenged by BBC presenter Andrew Marr that the show could put people off politics and voting. He rejects that idea.

Frank Underwood is a murderer, an adulterer, and a blackmailer. "It's making them [the audience] really understand politics in ways that they perhaps never have before," Mr Spacey says. "We have clearly tapped into something... we want to feel that it's an accurate depiction of the things and the processes that people go through."

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George Osborne has just referred to "an Ed Miliband-Scottish nationalist government". That sounds like an awfully similar rhetorical strategy to Labour earlier in this parliament trying to convince commentators and media figures to refer to this coalition as a "Tory-led government". The Chancellor tells Andrew Marr that questions about whether or not Ed Miliband "stabbed his brother in the back" are relevant, because it goes directly to the character of the man who would be prime minister.

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You've found an extra £8bn for the NHS in the middle of an election campaign, Andrew Marr tells George Osborne. Is this actually funded? The Chancellor says yes - it comes from the "balanced proposal to make savings in government". This government, he says, has already shown the capacity to make efficiencies: "We have to make similar savings for two years as we have for the last five years." Only the Conservatives, the chancellor claims, will provide economic security - and even in this parliament the government has found extra money for the NHS. Andrew Marr doesn't think that quite answers the specifics of his question.

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Andrew Marr asks Harriet Harman if she's been sidelined thus far in the Labour campaign, with "the two Eds" most prominent. Does she expect to be deputy prime minister if Labour win the election? Well, she says, she's shadow deputy prime minister now.

Harriet Harman is predictably scathing about the Conservative announcement yesterday that they would put £8bn more into the NHS. She says this pledge is "illusory", because the Tories are on "a trajectory of extreme spending cuts". She says that these plans, combined with tax cuts in various areas, constitute a "major threat to the NHS".

People who persistently turn up at A&E after injuring themselves while drunk should be made to pay for treatment, UKIP leader Nigel Farage has told the Mirror, external . It points out that Mr Farage is well known for posing with a pint.

After again promising no SNP ministers would serve in a Labour government, Harriet Harman refuses to rule out the prospect of Lib Dems sitting around the Cabinet table. She says: "If we form a government it is open for MPs from other parties to support our programme - that's up to them." And she adds that with weeks to go "you'll forgive me if I make it absolutely clear beyond peradventure we are not talking to Liberal Democrats, we are not doing deals with Liberal Democrats". She wants a majority, of course.

You'll recall Andrew Marr was the BBC's political editor before he occupied his current spot on the Sunday sofa, and says making a prediction about a closely-fought general election is folly. However, he adds, he can see no circumstance in which the SNP will not do "spectacularly well".

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Andrew Marr asks Natalie Bennett what her non-negotiable conditions would be to lend Green support to any larger party in a potential coalition. She mentions no policy specifically, but reiterates that her party is "anti-austerity", and wants to ensure the best deal for the "poor and disadvantaged".