The ballot will open next week, giving Converstaive members up and down the country the chance to elect either Rishi Sunak or Liz Truss as the next party leader – and, in turn, the next prime minister.
But with more than 10,000 people signing a petition to keep Mr Johnson in Downing Street, it seems members are conflicted.
David Campbell Bannerman, a former Tory MEP who set up the petition, said getting rid of Mr Johnson would be “guaranteeing a Labour victory” at the next election, and wrote on the petition that “the membership are very upset about what has happened to our elected leader”.
So, is it time for Boris Johnson to step aside or should he be allowed to stand in the Tory leadership contest against Ms Truss and Mr Sunak?
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