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British armed forces intercepted and boarded a Russian-owned oil tanker linked to Moscow’s shadow fleet in the English Channel early on Sunday, marking the first solo operation by UK forces to disrupt a vessel used to evade sanctions and fund Russia’s war in Ukraine.
The *Smyrtos*, sailing under the Cameroonian flag, was seized off Dover in a six-hour operation conducted by Royal Marine commandos and officers from the National Crime Agency, with support from Chinook helicopters, RAF aircraft, a Royal Navy frigate, and a minehunter. The vessel was carrying Russian crude oil and targeted under sanctions imposed to cut off revenue streams financing the Kremlin’s military campaign in Ukraine.
Ukrainian President Volodymyr Zelenskyy praised the UK’s action, writing on X that “it was Russia’s hubris, fuelled by high oil and gas revenues, that paved the way for this war, and every decision by partners that deprives Russia of money also limits the war itself.” He personally thanked British Prime Minister Keir Starmer and the British people for the interception, calling it “an important step” in isolating Moscow’s war economy.
The operation underscores London’s escalating efforts to target the shadow fleet—a network of ageing tankers repurposed to transport Russian oil beyond Western sanctions. The UK Defence Ministry confirmed this was the first time British forces had acted alone to stop a vessel in the fleet, which Moscow has relied on to sustain its energy exports despite international restrictions.
The *Smyrtos* is now under inspection for safety and environmental risks, according to reports. The seizure follows growing international pressure to choke off funding for Russia’s war machine, with Kyiv and its allies increasingly targeting the shadow fleet as a critical vulnerability in Moscow’s sanctions evasion strategy.
Keir Starmer, who confirmed the operation in a statement, described it as delivering “yet another blow to Russia and Putin.” The move signals a more assertive posture by the UK in disrupting Russia’s circumvention networks, even as Moscow continues to adapt its tactics to sustain its war effort.
Analysts suggest the interception could set a precedent for further coordinated actions against the shadow fleet, which has become a linchpin in Russia’s efforts to maintain oil revenues despite sweeping Western sanctions. The operation’s success may embolden other Western governments to pursue similar measures, tightening the financial noose around Moscow’s military machine.
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