Growth in the UK economy slowed to 0.1% in the July-to-September period, official figures show, as car production slumped.
The figure was below the 0.2% predicted by analysts, and is a blow to Chancellor Rachel Reeves - who has repeatedly said growth is her top priority - less than two weeks ahead of the Budget in which she is widely expected to raise taxes.
The Office for National Statistics said there had been a "marked" fall in car production in September as a result of the cyber-attack on Jaguar Land Rover.
But even when this is taken out, other sectors of the economy showed weak growth.
