Labour lead would soar to 24 points if Kemi Badenoch or Suella Braverman became leader, according to Opinium poll
Three out of the four Tory MPs seen as the most likely replacements for Rishi Sunak would fare even worse than the current prime minister in a general election battle against Keir Starmer, according to the latest Opinium poll for the Observer.
The Conservatives have been involved in a fresh bout of leadership speculation over the past week, after rumours surfaced of a plot to dump Sunak and replace him with Penny Mordaunt, the leader of the House, before the next election.