Shadow chancellor Mel Stride has called for the UK's financial regulator to investigate "possible market abuse" by people working in the Treasury and Downing Street in the run-up the Budget.
The move comes as Chancellor Rachel Reeves denied she misled the public over the state of the country's finances, after it emerged she and officials had been told they were in better shape than widely thought - but she still gave briefings that the Tories described as overly pessimistic.
The Conservatives have called on her to resign and Stride sent a letter to the Financial Conduct Authority (FCA) reque