Treasury curate Darren Jones has said the UK government's committedness to Ukraine is "resolute" amid fears incoming US President Donald Trump could propulsion the state into giving up territory to Russia.
Jones told BBC's Sunday with Laura Kuenssberg, "Ukraine should beryllium capable to retrieve its state arsenic it was antecedently structured" and that determination "shouldn't beryllium an constituent of conceding to amerciable invasions from Russia".
He added helium would not remark connected "hypothetical scenarios" of a aboriginal US administration.
Speaking to the aforesaid programme, Conservative shadiness overseas caput Dame Priti Patel said the UK had to find a "shared mode of moving with the US" connected Ukraine.
During the predetermination campaign, Trump characterised the Russia-Ukraine struggle arsenic a drain connected US resources and said helium could extremity the warfare betwixt Russia and Ukraine "in a day".
The president-elect has not offered details of however helium would resoluteness the conflict,
However, a probe insubstantial written by 2 of his erstwhile nationalist information advisers has argued that the US should proceed its weapons proviso to Ukraine, but marque the enactment conditional connected Kyiv entering bid talks with Russia.
To entice Russia, the West would committedness to hold Ukraine’s introduction into Nato, the subject confederation of European and North American nations.
The erstwhile advisers argued Ukraine should not springiness up its hopes of getting its territory backmost from Russian occupation, but that it should negociate based connected existent beforehand lines.
Asked however the UK authorities would respond if Trump did compel Ukraine to marque territorial concessions, Jones said: "Our committedness to Ukraine arsenic a state present successful UK is resolute.
"We proceed to enactment Ukraine with billions of pounds of backing each twelvemonth and enactment from our equipped forces successful enactment with our commitments done Nato."
Asked if the UK inactive respected Ukraine's tendency to get backmost territories specified arsenic Crimea, Jones said: "That is the ground connected which the UK is operating."
Dame Priti, who was appointed shadiness overseas caput earlier this week, agreed Ukraine should not person to concede Crimea.
“No, of people not," she said adding: "We’ve been unequivocal arsenic Conservatives successful government… we basal enarthrosis to enarthrosis with Ukraine."
She added that Trump “hasn’t entered the White House yet” and it would beryllium incorrect to speculate connected aboriginal US overseas policy.
"I think, instrumentality 1 measurement back, let’s beryllium mature astir this.
"We request to person dialog and this comes backmost to having a beardown narration with our closest ally.
"I would impulse our authorities going guardant to beryllium constructive successful those discussions."
Watch: Russia suffers 'worst period for casualties', says UK defence main Radakin
Speaking to the aforesaid programme, Chief of the UK Defence Staff Sir Tony Radakin said Russia had suffered its worst ever period for casualties since the commencement of the Ukraine war, with astir 1,500 dying oregon wounded each azygous day.
Sir Tony said the losses were "for tiny increments of land" but that determination was "no uncertainty that Russia is making tactical, territorial gains and that is putting unit connected Ukraine".
"Russia is spending implicit 40% of its nationalist expenditure present connected defence and information - that is an tremendous drain connected Russia arsenic a country.
"I’m saying the longer the warfare goes on, the much hard it is."
He reiterated the UK government's stance that Western allies would beryllium resolute for "as agelong arsenic it takes" adding: "That’s the connection President Putin has to sorb and the reassurance for President Zelensky."
Trump has repeatedly urged Nato members to walk much connected their defence, accusing European countries of free-riding connected America.
In February, helium said helium would fto Russia "do immoderate the hellhole they want" to Nato countries that did not walk capable connected defence.
Nato countries are expected to walk 2% of their nationalist income connected defence. At the infinitesimal 23 countries - including the UK - conscionable the target, compared to conscionable six successful 2021.
The Labour authorities has committed to expanding spending from 2.3% to 2.5% - but has not acceptable a day for hitting the figure.
Jones said the authorities would not perpetrate to a deadline until it had completed its strategical defence review.
The reappraisal - led by erstwhile Labour curate and Nato caput George Robertson - is examining however the defence fund is spent. It is owed to beryllium completed successful the spring.
Jones did not accidental if the 2.5% people would beryllium met wrong the existent Parliament which tin tally until 2029.
In their manifesto, the Conservatives said they wanted to get to 2.5% by 2030.
Asked if her enactment would judge cuts elsewhere successful bid to conscionable 2.5%, Dame Priti said determination were "efficiencies" that could beryllium made arsenic good arsenic changes astir the "performance of the civilian service".
She added that the authorities "could person done much successful that Budget to enactment the pathway guardant for 2.5% of GDP connected defence".
On Ukraine, erstwhile Labour curate Lord Peter Mandelson said cipher should beryllium "dictating to the Ukrainians" astir their territory and the UK should enactment with the US to unafraid Ukraine's state and its borders to guarantee Russia "can't invade again".
He said that would beryllium possible, not by offering Ukraine Nato membership, but by gathering "stronger, deeper" economical relationships with the country.
There person been reports that Lord Mandelson could beryllium appointed the UK's caller ambassador to the United States.
Asked if helium was successful the framework for the high-profile position, helium said: "Nobody has spoken to maine astir this job."
On whether helium would beryllium interested, helium said helium would beryllium "very funny so successful giving proposal astir commercialized to whoever is appointed".