Boris Johnson has vowed to give his total support to the next prime minister, but could not resist using his penultimate speech to take a potshot at Liz Truss’s energy plans.
In an attempt to shore up his legacy days before he leaves No 10, the outgoing Conservative leader hailed the government’s “accelerated, long overdue reforms” to make the UK more energy independent and announced £700m for the Sizewell C nuclear plant.