What's happening

Today International development secretary Andrew Mitchell announces that £5m in British aid will provide emergency help for people in Mali and Niger, including food, medical supplies, water, seeds, tools, and livestock support

Today Barack Obama hosts David Cameron for bilateral talks at the White House. The PM will also attend a lunch with Hillary Clinton and Vice President Joe Biden

9.00 Environment secretary Caroline Spelman and energy secretary Ed Davey make an announcement on the promotion of climate science to young people through the National Geographic's 2050 picture competition

9.00 Ed Miliband and Ken Livingstone launch Labour’s London election pledges at London Bridge

9.00 Immigration minister Damian Green speaks at a UK border security conference at RUSI

9.30 Deputy prime minister Nick Clegg announces the winning bids for city status in a competition to mark the Queen's Diamond Jubilee

9.30 The latest unemployment data for the UK is released

11.00 At an investiture ceremony at Buckingham Palace, Thanet MP Roger Gale receives a knighthood

12.00 Prime minister's questions (Nick Clegg stands in for David Cameron, who is in Washington DC)

13.30 MPs and peers - including culture secretary Jeremy Hunt - take part in the Westminster Mile charity race as part of Sport Relief

14.30 Financial secretary to the Treasury Mark Hoban appears before European Scrutiny Committee to discuss the eurozone

15.00 The House of Lords debates the Legal Aid, Sentencing & Punishment of Offenders Bill

18.00 Justine Greening and Boris Johnson attend the opening of the new King’s Cross station concourse

19.00 Baroness Warsi gives a lecture as part of the Ebor lecture series on 're-invigorating public life'

Evening David and Samantha Cameron attend a state dinner hosted by Barack Obama at the White House. Foreign secretary William Hague, Chancellor George Osborne, US Secretary of State Hillary Clinton and US Treasury Secretary Tim Geithner also attend

What's been said

David Cameron risks falling victim to the glamour of Air Force One, as other British PMs have before him, says Simon Jenkins in The Guardian

A patched-up peace in Afghanistan is all we can hope for, says Andrew Alexander in the Daily Mail

The Kony 2012 campaign is easy to mock, but it shows that there is no longer such a thing as a faraway country, says Daniel Finkelstein in The Times (£)

Americans seem to be spending again, and that's good news for us all, says Hamish McRae in The Independent