Ed Miliband warns the Conservatives to "take on, not talk up" the SNP as Sir John Major says the nationalists could "blackmail" a future Labour government.
Ex-prime minister Sir John Major claims that a Labour government backed by the SNP would be a "recipe for mayhem".
Labour will launch an emergency recruitment drive to get 1,000 more nurses into training this year if they win the election, Ed Miliband says.
Nick Clegg says owners of second homes in rural beauty spots could face paying double the rate of council tax under Liberal Democrat plans.
Nick Clegg's choice of outfit on Twitter is causing quite a stir.
The official inquiry into the 2003 Iraq War may not publish its long-awaited report this year, BBC Newsnight has learned.
The BBC should be 'cut back to the bone' and the licence fee reduced by two thirds, according to UKIP leader Nigel Farage.
The Scottish Liberal Democrats launch their manifesto with key pledges for voters north of the border.
The DUP says it believes its votes could be vital in the formation of the next UK government, as it launches its general election manifesto.
Despite higher education being devolved, ministers will be watching the outcome of the general election closely as it will impact on how colleges and students are funded.
David Cameron has described the boat disaster in the Mediterranean as a "dark day" and called for a "comprehensive" approach to the problem.
Sinn Féin is to seek an extra £1.5bn for Northern Ireland in negotiations with an incoming government following the general election.
A tour of the Northern Ireland Assembly at Stormont.
A £10m online health project has reached less than a third of the people it set out to, the BBC has learned.
BBC Democracy Live takes you on a tour of the Scottish Parliament.
Plans to improve broadband, transport, housing, agriculture and tourism to boost rural Wales are announced by the Liberal Democrats.
A guide to the National Assembly for Wales.
Who are the Budget winners and losers in the East Midlands?
A pre-election Budget, but will the catapult energise the Midlands?
Political analysis from around England
MPs pass the Finance Bill at second reading.
Links to political parties and other useful websites covering UK politics.
Here's a full list of who is doing what job in David Cameron's new cabinet
The details of Labour leader Ed Miliband's shadow cabinet following the recent reshuffle.
Links to other Parliamentary broadcasters
Much has been made of the impact Scottish MPs could have after the election. But would it be anything new?
Do Orkney and Shetland's residents feel distanced from the election?
Parents welcome extra childcare but providers say the fee they receive from the government does not cover their costs, reports Sanchia Berg.
Would the public accept the second place party forming the government? What about a prime minister who's not a party leader? Ten key constitutional questions about the next Parliament.
The spotlight turns on to the detail of the SNP's policies as Nicola Sturgeon launches the party's general election manifesto with characteristic confidence.