Prime Minister David Cameron has tried to calm unrest in his party over the resignation of Iain Duncan Smith, the former worker and pensions secretary.
ITV News political editor Robert Peston reports.
George Osborne is due to defend his Budget in parliament today following the government u-turn on welfare cuts.
Mayor London weighs in on Iain Duncan Smith's resignation and the abandoned disability payment cuts on ITV's The Agenda tonight.
MPs wonder aloud whether the chancellor is 'too scared' to respond to an emergency question over his budget.