The UK Prime Minister plans to press allies to provide Ukrainian forces with additional advanced missile systems to target Moscow's positions during a meeting in Britain on this Friday.
Sir Keir will host President Volodymyr Zelensky alongside what's known as "coalition of the willing", consisting of more than 20 of Kyiv's partners who have agreed to offer Ukraine security guarantees once a ceasefire is brokered.
The Ukrainian leader has been urging for an extended period for further extended-range systems from the West, a step that the Russian government has cautions would intensify the hostilities.
Ukraine's leader is journeying from the EU capital, where he conferred with European representatives on the previous day pursuing economic assistance.
"The single figure participating in current hostilities who declines to end the war is the Russian leader," Starmer said.
The Prime Minister will also reveal that 100 additional anti-aircraft missiles will be delivered to Kyiv ahead of schedule, as detailed in a multi-billion pound agreement concluded between the UK and Ukraine in spring.
The Ukrainian president travels off the back of significant diplomatic successes this week: the US President's move to finally apply further sanctions against Moscow, and EU nations consenting to support a Ukrainian budget hole.
Britain's leader is hoping to continue the progress by intensifying the pressure on the Kremlin to negotiate a conclusion to the hostilities.
The Prime Minister will encourage delegates to increase the provision of long-range weapons following an effective attack on a manufacturing site in the Russian city, the Russian Federation, using Britain-delivered missile systems.
"And his depraved attacks on small children in a daycare this week show that crystal clear," he continued.
A pair of children were among no fewer than seven fatally wounded in a wave of Russian strikes on Ukraine, which struck a daycare center in the important metropolitan area Kharkiv.
Sir Keir will discuss with Western allies on approaches for take Moscow's energy exports off the global market.
They will also examine utilizing blocked Russian resources to provide the Ukrainian government with financial loans, although the proposal experienced a lack of political consensus and jurisdictional challenges at the European meeting on Thursday.
European nations declined to approving an initiative to employ approximately €140 billion in seized Russian resources to monetarily assist Kyiv's finances.
However, the leaders agreed to help support Ukraine's "economic requirements" for the next two years.
United States also revealed sanctions on Wednesday against Moscow's two largest oil companies, Rosneft and Lukoil, as element of actions to increase financial pressure on Russia to enter ceasefire negotiations.
Russia initiated its comprehensive attack of Ukrainian territory in winter 2022. Russian troops at this time occupies about 20% of the country's land, comprising the Crimean peninsula Moscow annexed in the year 2014.
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