British counterterrorism officers arrested a senior US Army soldier on November 10, 2026, on suspicion of conducting espionage on behalf of Russia, according to the Financial Times and The Record.
British Counter Terrorism Policing carried out the arrest. The Metropolitan Police issued a statement about the case, and The Record confirmed that British counterterrorism officers worked closely with US authorities throughout the investigation.
The FBI and the US military are both involved. The soldier's identity has not been made public, The Record said.