Exclusive: Budget watchdog is set to downgrade a key economic performance indicator for the UK in a move that could drive tax hikes – as chancellor tries to shift blame on to Tories

Rachel Reeves may have to find up to £30bn in tax rises or spending cuts if forecaster revisits expectations

Exclusive: Budget watchdog is set to downgrade a key economic performance indicator for the UK in a move that could drive tax hikes – as chancellor tries to shift blame on to…