In a daring early morning operation, UK forces intercepted a Russian shadow fleet vessel in the Channel, disrupting Putin's war funding.
British armed forces boarded and seized the sanctioned oil tanker Smyrtos in the early hours of Sunday in the English Channelarresting the captain and diverting the vessel to a monitored anchorage off the south coast. The ship is now lying at anchor off Weymouth, Dorset, while authorities assess safety and environmental risks.
Officials described the action as the first UK-led interdiction of a Russian shadow-fleet tanker, with further legal and operational steps under way.
The interdiction matters because Russia’s shadow fleet is used to move sanctioned oil through opaque ownership and routing, sustaining wartime revenues despite restrictions.
UK officials said the operation sends a deterrent signal to operators using tactics such as spoofed positions and ship-to-ship transfers in less monitored waters. “This delivers yet another blow to Russia,” Prime Minister Sir Keir Starmer said, adding that those fueling the war in Ukraine “cannot hide.”
Captain charged and crew status after Channel seizure
The vessel’s captain, identified as Ajay Pantwas taken into custody and is set to appear at Southampton Magistrates’ Court on charges linked to sanctions contraventions. Prosecutors alleged offenses including directly or indirectly supplying prohibited oil or oil products from Russia to a third country during June 2026. Officials said the 24 crew members, from Georgia and India, remained aboard the Smyrtos under oversight as investigators conducted checks on documentation, cargo, and vessel safety systems.
Authorities confirmed the tanker would remain under close monitoring at anchor off Weymouth while specialists evaluate any environmental or technical concerns. The National Crime Agency worked alongside Royal Marine Commandos during the boarding, which lasted around six hours. Attorney General Lord Richard Hermer said the government would pursue the shadow fleet “under the full force of international law,” praising the “extraordinary courage and professionalism” of personnel involved.
Assets deployed and coordination in Channel operation
The seizure was supported by a suite of UK military assets, including HMS SutherlandHMS Ledburyand aircraft from the Maritime Air Group—ChinookMerlin Mk4and Wildcat helicopters—alongside an RAF P-8 maritime patrol aircraft. Officials said the action was coordinated with French counterparts to manage air and sea deconfliction in the Channel and to ensure legal processes were aligned. Defence Secretary Dan Jarvis hailed the “skill, professionalism, and courage” required, calling the interdiction a significant blow to what he termed Putin’s illegal war.
The government said the mission built on recent UK support to allied interdictions and referenced a separate UK-supported stop of a sanctioned tanker on 1 June. On Sunday morning, minister Lisa Nandy said, “This morning, we’ve been able to successfully do that… it is also a significant blow to the Russians.” The Ministry of Defence added that the operation demonstrates the UK will use the full range of legal tools to enforce sanctions and protect security at sea.
Shadow fleet scale, tactics, and sanctions pressure
Officials describe Russia’s shadow fleet as several hundred foreign-flagged or obscurely owned tankers, often older and lightly regulated, used to move oil under sanctions. Recent assessments indicated an estimated 700 vessels in this network, with the UK having sanctioned more than 500, and that such ships carry roughly three quarters of Russia’s sanctioned oil. Practices cited include ship-to-ship transfers in international waters, mislabeling cargo origin, spoofing Automatic Identification System data, and operating under flags from jurisdictions with limited oversight.
Authorities warned the fleet poses heightened risks of spills and mechanical failure due to age and maintenance gaps, amplifying the need for monitoring during interdictions and anchorage inspections. The UK framed Sunday’s action as part of a broader effort to reduce revenues sustaining the war in Ukraine by disrupting logistics and raising costs for sanction evasion. “We remind those fuelling President Vladimir Putin’s war in Ukraine that they cannot hide,” the prime minister said. Last update: 15 June 2026.
