US servicemember arrested in Britain on suspicion of spying for Russia

A senior U.S. servicemember has been arrested in England on suspicion of spying for Russia, British police said, a development that U.S. officials described as deeply worrying.

FBI Director Kash Patel said the 41-year-old man was detained on suspicion of espionage and called the case “a matter of greatest concern for the US and their allies,” linking the arrest to national security worries in Washington.

Arrest and legal basis

The arrest took place near Gloucester in western England. Police said the detention is not connected to any ongoing counter‑terrorism investigation but that the suspect has been held on offences under the National Security Act relating to obtaining and sharing classified information and for allegedly assisting a foreign intelligence service. Authorities added that the foreign state named in the allegations is Russia.

The man, described by U.S. officials as a high‑ranking servicemember and identified only by age, was taken into custody by British investigators who are working with U.S. partners. Investigators have not publicly disclosed further details about the alleged information passed or the timeframe in which it might have occurred.

The arrest came one day after U.S. forces moved a tanker aircraft from a British military base in eastern England because of a reported threat said to be linked to Iran. Earlier this year the U.S. also withdrew bombers from another UK base after an incident that British police associated with Iran; Tehran has denied involvement in those incidents.

British police said the case remains under active investigation and gave no timetable for any charging decisions. U.S. and U.K. officials are continuing to coordinate on the matter, officials said.

Photo: press material from the event