Rachel Reeves has been accused of overstating the damage to the UK’s public finances from a downgrade of economic growth by the Treasury’s independent economic forecaster, the Office for Budget Responsibility.

In the aftermath of last week’s budget , the focus has turned to who knew what and when in the long run-up to the budget.

Opposition calls for the chancellor to resign have grown since Friday when the OBR said the outlook for the economy was rosier than Reeves, who was privy to early drafts of the OBR report, had given everyone to believe.

Here is a timeline of events to show how we got here.

15 June

In June the Guardian revealed that revised forecasts by the OBR would blow a £20bn hole in Reeves tax and spending plans before the autumn budget.

Insiders said the watchdog

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