PM survives day of high tension after Scots Labour leader Anas Sarwar urges him to step down amid Peter Mandelson row

UK politics live – latest updates

How the Downing Street machine ensured Starmer survived to fight another day

Exclusive: Top civil servant could become third key No 10 departure in days

Keir Starmer has seen off an immediate challenge to his position from Labour’s leader in Scotland, telling his MPs he was “not prepared to walk away” from power and plunge the country into chaos.