Ed Miliband's row with the Daily Mail, which has refused to apologise for an article labelling Marxist professor and father of the Labour leader Ralph Miliband, "the man who hated Britain", continues to dominate the political agenda.
Watch some of the key developments in the videos below:
Ed Miliband accuses Daily Mail of smearing his father:
Mail's deputy editor defends Miliband article in heated Newsnight interview
Former Labour spin doctor Alastair Campbell: " Mail's editor (Paul Dacre) is a bully and a coward"
Mail's City editor Alex Brummer: Miliband article "had the wrong label, should have said comment"