A senior U.S. Army soldier assigned to a NATO headquarters in England was arrested on suspicion of espionage related to Russia.^[1] He is 41 and has not been publicly named.^[2] He was arrested near Gloucester.^[3] He has been arrested on suspicion. No charge has been reported. Where he worked The soldier was assigned to NATO's Allied Rapid Reaction Corps.^[4] The corps is based at Imjin Barracks.^[5] The law The arrest was made under sections 1 and 3 of Britain's National Security Act 2023.^[6] Section 1 carries a maximum sentence of life in prison.^[7] Both the United States and Britain hold legal jurisdiction to prosecute him.^[8] Which country does so has not been settled in these reports. The investigation The arrest was part of a Counter Terrorism Policing investigation.^[9] British counterterrorism police, the FBI and the U.S. military are working on it together.^[10] Police are searching two locations in Gloucestershire.^[11] The soldier was held at a London police station.^[12] The responses FBI director Kash Patel said the allegations are of utmost concern.^[13] Kremlin spokesperson Dmitry Peskov said Russia had no involvement in the case.^[14] The timing The arrest came on the day talks between Russia and Ukraine, mediated by the United States, began in Abu Dhabi on 10 November.^[15]