Starmer positions himself as PM-in-waiting as psychodramas engulf Westminster and Holyrood

As the Conservatives in Westminster tied themselves in knots over whether to back the Privileges Committee condemnation of Boris Johnson and the SNP's Humza Yousaf sought to revive independence plans with his party still in crisis, Sir Keir Starmer went to Leith in Scotland to set out his mission to turbo charge renewable energy in the UK should he become PM.