All G7 allies are set to sign a long-term security arrangement with Ukraine that British Prime Minister Rishi Sunak said could “return peace to Europe”.
The accord marks the first time that so many countries have agreed on a comprehensive, multi-year security arrangement with another country.
Mr Sunak said the UK had played a leading role in the pact.
Wednesday’s G7 declaration, which is expected to be ratified on the sidelines of the Nato summit in Vilnius, Lithuania, is set to provide more defence equipment, increase and accelerate intelligence sharing and bolster support for cyber defence.
It plans to expand training programmes and military exercises, while developing Ukrainian industry, Downing Street said.
Mr Sunak used an address to the Munich security conference in February to say why the international community had a duty to ensure Ukraine was never again left vulnerable to Russian aggression.
He pushed for the country to be put in the best possible position for any future ceasefire negotiations.
Mr Sunak, who arrived in Vilnius saying he was keen to get a non-Nato deal “over the line”, said the agreement would be a warning to Russian President Vladimir Putin.
“As Ukraine makes strategic progress in their counter-offensive, and the degradation of Russian forces begins to infect Putin’s front line, we are stepping up our formal arrangements to protect Ukraine for the long term," he said.
“We can never see a repeat of what has happened in Ukraine and this declaration reaffirms our commitment to ensure it is never left vulnerable to the kind of brutality Russia has inflicted on it again.
“Supporting their progress on the pathway to Nato membership, coupled with formal, multilateral and bilateral agreements, and the overwhelming support of Nato members, will send a strong signal to President Putin and return peace to Europe.”
500 days of war in Ukraine - in pictures
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As the war in Ukraine approaches the 500-day mark, 'The National' looks back at the conflict. All photos: AP -
Ukrainian soldiers cover their ears to protect from Russian tank shelling in a shelter on the front line in the Zaporizhzhia region in July -
A cemetery in evening sunlight near Lviv in July -
Flooded streets in Kherson in June after the walls of the Kakhovka dam collapsed -
Tetiana with her pets, Tsatsa and Chunya, in her house that was flooded when the Kakhovka dam in Kherson was breached -
Young cadets sing the national anthem during a graduation ceremony at a cadet lyceum in Kyiv in June -
Bakhmut in April, the site of the heaviest battles in the Donetsk region -
A message on a mirror reads 'Ukraine will prevail' in a badly damaged school in Kharkiv in February -
Ukrainian servicemen in position close to the border with Belarus in February -
Hospital staff in Kherson with orphaned children at the regional hospital maternity ward in November 2022 -
A sniper unit aims at Russian positions in the Kherson region during an operation in November 2022 -
Ukrainian artillerymen fire at Russian positions near Bakhmut in November 2022 -
A Ukrainian serviceman near Oskil village in October 2022 -
Funeral workers carry the coffin of an unidentified civilian who died in the Bucha community during the Russian occupation period in February-March 2022 -
Cadets practise with gas masks in a bomb shelter on the first day of school at a cadet lyceum in Kyiv, Ukraine, in September -
A young girl with her dog waves goodbye to her grandparents from an evacuation train leaving Pokrovsk in August 2022 -
A child looks up at a building destroyed during attacks in Irpin in May 2022 -
An elderly patient boards a medical evacuation train in Pokrovsk in May 2022 -
Nila Zelinska holds a doll belonging to her granddaughter that she found in her destroyed house in Potashnya, on the outskirts of Kyiv, in May 2022 -
Residents shelter in the city subway of Kharkiv in May 2022 -
Destroyed Russian tanks in Bucha, April 2022 -
A family fleeing the village of Ruska Lozova in April 2022 arrive in their shrapnel-riddled car at a screening point in Kharkiv -
Smoke fills the air after shelling in Odesa in April -
Yehor, 7, with a wooden toy rifle next to destroyed Russian military vehicles near Chernihiv in April 2022 -
Security Service of Ukraine servicemen enter a building during an operation to arrest suspected Russian collaborators in Kharkiv in April 2022 -
A Ukrainian soldier during a pick-up game of football in Irpin in April 2022 -
The partially abandoned town of Chernobyl in April 2022 -
Ruslan Mishanin, 36, bids farewell to his nine-year-old daughter as the train with his family leaves Odesa for Poland in April -
Halyna Falko, 52, talks to reporters in March 2022 while looking at the destruction caused to her house near Brovary after a Russian attack -
Anti-tank barricades on a street in preparation for a possible Russian offensive in Odesa in March 2022 -
A man recovering items from a burning shop after a Russian attack in Kharkiv in March 2022 -
Ukrainians under a destroyed bridge as they as they cross the Irpin river on the outskirts of Kyiv in March 2022
Downing Street did not set out more precise details about the G7 pact but reports have suggested that the multi-country agreement with Kyiv could emulate the defence agreement between the US and Israel.
Washington and Israel have a military and technology deal to give the country protection in the Middle East but without offering a Nato-style clause to come to its aid during a time of attack.
The UK has also announced its plans to deliver more than 70 combat and logistics vehicles to Ukraine.
The British Army vehicles will be given to Ukraine to boost its counter-offensive.
Officials say the vehicles will ensure front line forces have the means to carry ammunition and equipment, move injured soldiers and recover damaged vehicles.
Thousands of additional rounds of Challenger 2 ammunition will be immediately delivered to Ukraine as part of the package.
A £50 million ($64.6 million) equipment support contract will sustain what the UK has already provided to Ukraine, including spare parts, technical support and maintenance training.
The UK will also launch a project through Nato to establish a medical rehabilitation centre to support the recovery and return of soldiers to Ukraine’s lines of defence after they are injured in combat.
The centre will be paired with the UK’s world-leading Stanford Hall, drawing on UK expertise and support to accelerate recovery and reduce the long-term impacts of war.
The centre will treat the most severely injured, helping them to adapt to prothesis, relearn to walk and regain confidence and ambition for the future.
For those less severely injured, the centre will accelerate their recovery, helping them to return to the Armed Forces to defend Ukraine.
