Last day to register to vote, in UK
7.30am Daily Lib Dem press conference with Nick Clegg and Vince Cable, focusing on banking crisis.
8.10am Peter Mandelson on Radio 4 Today Programme.
9.30am Scottish Green Party launch manifesto
10.00am SNP manifesto launch, Glasgow.
11.30am Nick Clegg meets students at agricultural college in Chippenham.
Scottish Trade Union and Socialist Coalition launch manifesto.
2:00pm Former shadow home secretary David Davis, barrister Cherie Booth and director of Liberty Shami Chakrabarti debate whether the Human Rights Act 1998 should be replaced by a British Bill of Rights
2.15pm BBC2's Daily Politics holds second of special election debates. Alan Johnson, Chris Grayling and Chris Huhne will go head-to-head on crime.
6:30pm Green Party leader Caroline Lucas speaks at debate in Brighton hosted by Steve Richards from the Independent.
7:00pm Stop Climate Chaos holds hustings in Torridge and West Devon
10.35pm Harriet Harman, shadow defence secretary Liam Fox and former Liberal Democrat leader Charles Kennedy appear on ITV 1's Campaign 2010
There is a lot going on in Scotland today, with Greens, SNP and Trade Union and Socialist Coalition launching manifestos, which may well get eclipsed by what the bigger parties are doing
Watch out to see if either Alan Johnson or Chris Huhne mention Labour's commitment to a Restorative Justice Act, mentioned in their manifesto, or restorative practices which the Lib Dems say they will promote in theirs. They were conspicuous by their absence in the party leaders TV debate on crime.
Polls in today's papers confirm the Lib Dem surge is being sustained, with increased speculation about how it will translate into votes and seats in the House of Commons. Labour, lying in third place in a number of polls, looks set to nevertheless get most seats in the House of Commons, with a hung Parliament.
The Lib Dems will look at banking reform today, and attack 'casino banking'.
There will be analysis of David Cameron's election broadcast last night which was re-done at the last minute in light of the Lib Dem surge.
The Conservatives have confirmed that two prominent business leaders who backed their plans for a National Insurance cut were nominated to be peers back in January.
Dealing with ongoing air chaos likely to continue to dominate the news agenda.