Damage to Labour from Rayner’s resignation is only just beginning

Deputy leader election campaign will distract from Starmer's reset and winner may well come from left of party

At 9.30am on Monday morning, as MPs made their way back to Westminster, Keir Starmer gathered the entire staff of No 10 in the Pillared Room of Downing Street to tell them they were about to enter the next, delivery, stage of government.

We go into phase two in good spirits, confident and with conviction," he told them, as some of those gathered shuffled awkwardly. His remarks, after all, followed a difficult summer during which Labour vacated the pitch to Reform UK and ahead of what is likely to be an even more turbulent autumn.