Peers prepare to push for Brexit bill changes despite PM's Lords appearance

Theresa May sits on the steps of the throne as Labour’s Angela Smith addresses the House of Lords.Senior peers have indicated they will defy Theresa May by pushing for changes to the Brexit bill in the House of Lords, as the prime minister made a highly unusual appearance in the upper chamber to observe the first day of debate.Gus O’Donnell, the former Whitehall cabinet secretary, and Nicholas Macpherson, the ex-permanent secretary of the Treasury, both suggested they could vote for