Nick Clegg making a speech on the economy at the Institute of Director's convention.
Alex Salmond making a speech on the business case for Scottish independence.
Ken Clarke at press conference after talks with the Council of Europe member states.
William Hague makes a speech at the Lord Mayor's Easter Banquet in London, from 29 March.
Ed Miliband and Ed Balls hold a Labour Party news event in Redditch, from 29 March.