The chancellor and shadow chancellor made a series of claims the morning after Rachel Reeves blamed the Conservatives for a funding shortfall.

“Those public finances were audited by the OBR just 10 weeks before the election was called,” Mr Hunt told MPs on Monday.

But the head of the OBR wrote a letter on Tuesday saying that he had only been made aware of some of the pressures last week.

He’s so worried about it that he has set up a review to assess the information provided to the OBR by the Treasury ahead of the Budget