The shadow chancellor Mel Stride laid into the former Conservative PM's 49-day tenure, saying it had 'put at risk the very stability which [we] had always said must be carefully protected'.

He is expected to promise the Conservatives will 'never again' make offers they cannot afford as the party seeks to forge a 'credible' financial plan for the future.

The shadow chancellor Mel Stride laid into the former Conservative PM's 49-day tenure, saying it had 'put at risk the very stability which [we] had always said must be carefully…