No 10 alarm as Boris Johnson plans to attend Cop27 climate summit

Ex-PM's Cop27 visit is seen as snub to Rishi Sunak as Labour attacks government's policy failures on environmental crisis

A row over prime minister Rishi Sunak's refusal to attend the Cop27 climate summit took an extraordinary twist on Saturday night as the Observer was informed that his predecessor but one - Boris Johnson - is planning to attend the event.

Several sources said they had been told that Johnson is intending to go to the crucial meeting of world leaders in Egypt to show his solidarity with the battle against the climate crisis.