The whole government recognises the need to spend more on defence, including Chancellor Rachel Reeves, a cabinet minister has said.

Business Secretary Jonathan Reynolds told Sky News’ Sunday Morning With Trevor Phillips that he “disagrees” with claims the prime minister is preparing to overrule the chancellor on the amount of cash being spent on the armed forces.

“The whole cabinet, the whole government, I think most people in this country recognise the pressures the world is under, recognise more will have to be spent on defence,” he said.

He added that Ms Reeves “knows more than most… defence has to be the cornerstone of our national prosperity”.

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The Sunday Times reported that Sir Keir Starmer held one-to-one meetings on Friday with the chief of the defence staff Admiral Sir Tony Radakin and the heads of the armed services, who are calling for spending to increase to a 2.65% share of the economy.

The newspaper cited a senior Treasury source saying Ms Reeves was not willing to hand over any more cash for defence this year. However, an ally of Sir Keir reportedly said he will make the final decision and is prepared to override his chancellor.

The UK’s target is 2.5%, but it is currently at around 2.3% – with no timetable for when spending might increase.

Mr Reynolds said Ms Reeves’s June spending review “will set out the roadmap towards that target”.

Asked if that could mean an increase in defence spending, he said: “We already had an increase… £3bn in the last budget… so our credentials are there. We’ll set out that roadmap in the spending review as you do for all spending.”

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Sir Keir is said to want to seize the initiative on defence spending following the news that US President Donald Trump has begun discussing a Ukraine peace deal with Russia.

Officials from Washington and Moscow will meet in Saudi Arabia in the coming days for peace talks, which Ukraine’s President Volodymyr Zelenskyy has said he was not invited to.

Mr Trump’s special envoy for Ukraine and Russia, Keith Kellogg, has also said European leaders will not have a place at the negotiating table in a discussion to end the war.

Rachel Ellehuus, the head of defence thinktank the Royal United Services Institute, told Sky News that with Washington shifting its focus away from Europe, all NATO members should increase defence spending and the alliance’s 2% target is not enough.

She said the issue should be treated with “urgency” and called on the UK government to “find the headroom to invest in conventional capabilities as well as innovation – to continue to invest in people, recruitment, personnel”.

It comes ahead of an emergency meeting of European leaders to discuss Ukraine, organised by French President Emmanuel Macron which Sir Keir is expected to attend in Paris on Monday.

In a statement issued on Saturday night, the prime minister spoke of a “once in a generation moment” for the UK, US and Europe to work together and warned against “divisions” within the alliance.

He also said it was clear “Europe must take on a greater role in NATO”.

Sir Keir will take messages from the meeting to Washington DC when he meets Mr Trump the following week, according to Downing Street sources.