The figure marked the first step towards recession.

The Office for National Statistics (ONS) reported a dip in output for September, leaving gross domestic product (GDP) in negative territory for the July-September period as a whole.

The quarterly GDP is the value of all goods and services produced during a three-month period and is a measure of the health of the economy.

The official definition of a recession is two consecutive quarters of negative growth.

It would be achieved should the economy also contract in the fourth quarter.

"I am under no illusion that there is a tough road ahead - one which will require extremely difficult decisions to restore confidence and economic stability," Mr Hunt said.

"But to achieve long-term, sustainable growth, we need to grip inflation, balance the books and get debt falling.
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"There is no other way."

'Putin's war to blame'

The chancellor, who is preparing to deliver his crucial autumn statement next Thursday, blamed Russia's war in Ukraine for driving up inflation.

"We are not immune from the global challenge of high inflation and slow growth largely driven by Putin's illegal war in Ukraine and his weaponisation of gas supplies," he said.

"While the world economy faces extreme turbulence, the fundamental resilience of the British economy is cause for optimism in the long run."

Despite Mr Hunt's warning, the quarterly contraction was not as bad as had been expected.

Economists polled by Reuters had expected contraction of 0.5% after the upwardly revised 0.2% growth in the second quarter.

The outlook was seen as so dire by the Bank of England last week that it declared the UK was already in recession - outlining a scenario where the economy could contract for eight successive quarters from the third quarter of 2022.

That would make the downturn the most protracted since records began, though the depth of the plunge would be moderate in comparison to that after the 2008 financial crisis.

Impact of Queen's death

There was a sharp fall in GDP in September, which the ONS said was affected by the bank holiday for the funeral of the Queen. Some businesses closing or operating differently on this day resulted in a contraction of 0.6% for the month.

Even excluding the extra bank holiday in September, the Confederation of British Industry (CBI) said: "It's clear that underlying activity has weakened."

The downturn is being driven by the effects of falling consumer spending in the cost of living crisis, which has resulted in an economy 0.4% smaller than the COVID-19 pandemic.

Costs started rising globally because demand was outstripping supply at the end of lockdowns.

Then an economic bombshell was to exacerbate the inflation problem as Russia invaded Ukraine in February - forcing up costs of many core commodities such as oil, gas, wheat and other foods.

The consequences, which include the impact of Western sanctions on Moscow, forced up prices that were then passed down supply chains to the consumer.

Rising interest rates to tackle inflation, not only in the UK but across large parts of the world, have forced up borrowing costs to squeeze spending power even more.

UK borrowers have endured additional pain after the Truss government's mini-budget sparked a crisis of confidence in the UK public finances on financial markets, the damage from which is still being felt by mortgage customers in particular.

A weaker pound has also added to inflation because it makes the cost of imports more expensive.

The chancellor faces an uphill battle in the autumn statement.

"A contracting economy makes the autumn statement much more challenging, because it means less tax revenue for the government, while aggressive spending cuts and tax rises would drive a longer and more damaging downturn," Suren Thiru, economics director for the Institute of Chartered Accountants in England and Wales, said.

Mr Hunt has been warned against turning to austerity.

"A turn to a more austere fiscal policy expected from next week's autumn statement could contribute to prolonging any downturn," said Yael Selfin, chief economist at KPMG UK.

"Interest rate rises and the prospect of the Bank of England raising them even further could exacerbate the stalemate in the UK housing market, causing more pronounced cutbacks in spending."