World

British forces intercept Russian shadow fleet tanker in the Channel

By Reuters Reuters
UK Royal Marine Commandos take part in a maritime interdiction operation on the vessel SMYRTOS off the south coast of England, June 14, 2026. The boarding, carried out with National Crime Agency officers, was part of a UK operation targeting vessels suspected of attempting to evade sanctions linked to Russia’s war in Ukraine, authorities said. UK MOD Crown/LPhot Hutchins/Handout via REUTERS
UK Royal Marine Commandos take part in a maritime interdiction operation on the vessel SMYRTOS off the south coast of England, June 14, 2026. The boarding, carried out with National Crime Agency officers, was part of a UK operation targeting vessels suspected of attempting to evade sanctions linked to Russia’s war in Ukraine, authorities said. UK MOD Crown/LPhot Hutchins/Handout via REUTERS UK MOD Crown/LPhot Hutchins Reuters

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LONDON - British armed forces intercepted a sanctioned Russian shadow fleet oil tanker in the Channel on Sunday, leading for the first time an operation to disrupt the oil revenue ​that helps fund Russia's war in Ukraine.

The vessel Smyrtos, sailing under a Cameroon flag, was boarded by Royal Marine Commandos and National Crime Agency (NCA) officials in the early hours on Sunday, with support from Chinook helicopters and other aircraft, a frigate and a minehunter.

"This successful operation delivers yet another blow to Russia and reminds those fuelling Putin's war in Ukraine that we will not let them hide," Prime Minister Keir Starmer said in a post on X.

Video of the raid released by the government showed British commandos rappelling onto the vessel, while NCA officials were seen searching through documentation.

Ukraine's President Volodymyr Zelenskiy wrote on X that he was grateful to Britain for the tanker's detention. Kyiv has been lobbying its allies to toughen enforcement against the shadow fleet, which it says funds Russia's war machine.

"Europe urgently needs to take legislative steps to enable not only the detention of tankers and restrictions on oil shipments, but also the confiscation of the oil they carry. This will certainly help bring peace closer," he said on X.

The Russian embassy in London did not immediately respond to a request for comment.

The tanker will be detained and monitored off the south coast of England as investigations continue, a government statement said, adding that the operation was conducted in close coordination with the French.

The UK has sanctioned almost 600 Russian shadow fleet vessels to date, the government said.

Starmer, who is facing a potential leadership challenge and lost his defence secretary last week over a dispute about military spending, had in March given permission for the British military to board and detain Russian ships which Western governments say help Moscow export oil despite Western sanctions.

The prime minister's change of stance did not immediately have any impact on the number of Russian vessels under sanctions passing through UK waters, according to a Reuters analysis which showed a similar number transited its waters before and after the announcement.

Until Sunday, Britain's involvement in efforts to stop the vessels had been limited to supporting French and U.S. operations.

(Reporting by Kate Holton in London and Gursimran Kaur in Bengaluru; Additional reporting by Max Hunder in Kyiv; Editing by Elaine Hardcastle)

UK Royal Marine Commandos take part in a maritime interdiction operation on the vessel SMYRTOS off the south coast of England, June 14, 2026. The boarding, carried out with National Crime Agency officers, was part of a UK operation targeting vessels suspected of attempting to evade sanctions linked to Russia’s war in Ukraine, authorities said. UK MOD Crown/LPhot Hutchins/Handout via REUTERS
UK Royal Marine Commandos take part in a maritime interdiction operation on the vessel SMYRTOS off the south coast of England, June 14, 2026. The boarding, carried out with National Crime Agency officers, was part of a UK operation targeting vessels suspected of attempting to evade sanctions linked to Russia’s war in Ukraine, authorities said. UK MOD Crown/LPhot Hutchins/Handout via REUTERS UK MOD Crown/LPhot Hutchins Reuters
UK Royal Marine Commandos take part in a maritime interdiction operation on the vessel SMYRTOS off the south coast of England, June 14, 2026. The boarding, carried out with National Crime Agency officers, was part of a UK operation targeting vessels suspected of attempting to evade sanctions linked to Russia’s war in Ukraine, authorities said. UK MOD Crown/LPhot Hutchins/Handout via REUTERS
UK Royal Marine Commandos take part in a maritime interdiction operation on the vessel SMYRTOS off the south coast of England, June 14, 2026. The boarding, carried out with National Crime Agency officers, was part of a UK operation targeting vessels suspected of attempting to evade sanctions linked to Russia’s war in Ukraine, authorities said. UK MOD Crown/LPhot Hutchins/Handout via REUTERS UK MOD Crown/LPhot Hutchins Reuters

Copyright Reuters or USA Today Network via Reuters Connect.

This story was originally published June 14, 2026 at 9:12 AM.

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