British Prime Minister Sir Keir Starmer has pledged a new round of sanctions against Russia while announcing a major package of support for Ukraine’s nuclear energy sector during the G7 summit in France. The measures underline the United Kingdom’s commitment to sustaining pressure on Moscow while helping Ukraine maintain critical energy supplies as the war continues.
New sanctions target Russia’s war finances
Speaking alongside fellow G7 leaders, Starmer declared that Britain would continue to stand with Ukraine “for as long as it takes,” signalling that economic pressure on the Kremlin would remain a central pillar of UK policy. The latest sanctions are designed to further disrupt Russia’s financial networks and expand restrictions on the so-called shadow fleet of vessels used to transport Russian oil and liquefied natural gas outside international sanctions regimes.
According to the UK government, the package will target companies, financial intermediaries and maritime operators that have enabled Russia to continue generating revenue despite extensive Western sanctions. Officials argue that restricting these networks is essential to reducing Moscow’s ability to finance its military campaign in Ukraine.
Backing Ukraine’s energy security
Alongside the sanctions, Starmer announced approximately £210 million in support for Ukraine’s nuclear energy sector over the next two years. The funding will help secure nuclear fuel supplies for Ukraine’s reactors through cooperation with uranium enrichment company Urenco, supporting the country’s electricity generation during repeated Russian attacks on energy infrastructure.
Ukraine relies heavily on nuclear power for electricity production, making the continued operation of its reactors vital for households, hospitals and industry. With thermal power stations and transmission infrastructure frequently targeted by missile and drone strikes, strengthening nuclear fuel security has become a strategic priority for Kyiv and its Western allies.
A united message from the G7
The announcements formed part of broader discussions at the G7 summit, where Ukraine remained one of the dominant agenda items alongside global energy security and tensions in the Middle East. European leaders reiterated their commitment to supporting Kyiv militarily, economically and diplomatically, while encouraging continued international coordination on sanctions against Russia.
The UK’s latest measures complement ongoing European Union efforts to tighten sanctions targeting Russia’s energy revenues, military-industrial complex and financial networks, reflecting a coordinated Western strategy to increase economic pressure on the Kremlin.
Pressure expected to continue
While diplomatic efforts to end the conflict remain under discussion, Western governments continue to argue that sustained economic pressure is necessary to influence Russia’s strategic calculations. Britain’s latest commitments demonstrate that London intends to remain one of Ukraine’s leading international supporters, combining sanctions with practical assistance aimed at preserving the country’s critical infrastructure.
As the conflict enters another demanding phase, the balance between economic pressure, military assistance and energy resilience is expected to remain central to Western policy, with further measures likely to be considered in the months ahead.
Newshub Editorial in Europe – 16 June 2026
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