British counter-terrorism police are investigating a security breach at RAF Molesworth in Cambridgeshire after two Latvian nationals were found inside the military installation. The arrests come amid heightened security concerns following a separate suspected terrorist plot targeting RAF Fairford, which prompted the withdrawal of American bombers.
Two Latvian nationals have been arrested in Britain on suspicion of entering a restricted military installation for purposes potentially harmful to national security. The men were discovered inside RAF Molesworth, a sensitive military facility in Cambridgeshire that houses American and NATO intelligence operations, during the early hours of Thursday, 8 October.
The suspects, aged 36 and 32, are both Latvian citizens residing in the United Kingdom. According to an official statement issued by the Metropolitan Police, they were initially detained on suspicion of trespassing and criminal damage before being arrested under the National Security Act 2023.
The incident follows a separate investigation into a suspected terrorist plot near RAF Fairford in Gloucestershire, where American strategic bombers had been deployed. British counter-terrorism officers have emphasised that there is currently no evidence connecting the two cases.
Security breach discovered during routine patrol
The investigation began at approximately 10pm on Wednesday, 7 October, when Ministry of Defence Police officers patrolling RAF Molesworth discovered an abandoned vehicle near the installation’s perimeter.
Officers from Cambridgeshire Constabulary joined the search and subsequently identified a small breach in the security fence. At approximately 2am on Thursday, the two men were located inside the restricted area and taken into custody.
The suspects were initially questioned over alleged trespassing and criminal damage. However, investigators subsequently invoked Section 4 of the National Security Act 2023, which covers entering, approaching or inspecting prohibited locations for purposes prejudicial to Britain’s safety or interests.
The legislation carries a maximum sentence of 14 years’ imprisonment upon conviction. Neither man has been publicly identified, and police have not disclosed evidence establishing their alleged intentions or any connection with a foreign intelligence service.
Officers have also searched two addresses in the Peterborough area. The abandoned vehicle was recovered and examined by specialist explosive ordnance disposal personnel after concerns arose during initial inspections.
As a precaution, police established a cordon affecting roads around Glatton, including part of the A1. Specialists subsequently found nothing of concern, allowing the restrictions to be lifted.
Intelligence facility serving American and NATO operations
RAF Molesworth is not an ordinary operational airfield. Although designated as a Royal Air Force station, the installation accommodates intelligence facilities supporting American military operations and NATO.
Among the organisations associated with the site is the NATO Intelligence Fusion Centre, which contributes to intelligence collection, assessment and information-sharing between allied military authorities. The installation also supports American military intelligence activities relating to operations in Europe and Africa.
The presence of these facilities makes Molesworth a sensitive location, where unauthorised access raises questions extending beyond conventional trespassing. Investigators will seek to establish how the men entered the compound, why they were there and whether they attempted to approach or examine restricted equipment or infrastructure.
Separate investigation at RAF Fairford
The arrests come less than two weeks after British police detained seven men in connection with a suspected terrorist plot involving RAF Fairford, another British installation used by the United States Air Force.
The Fairford investigation began on 27 September after suspicious activity was reported near the base. Police subsequently investigated possible offences involving explosives and preparations for terrorist acts. Those arrested in connection with that investigation have since been released on bail.
The incident was followed by the withdrawal of American bombers from Fairford. President Donald Trump subsequently referred to security threats affecting the installation, raising further questions about the protection of American military assets stationed in Britain.
Commander Helen Flanagan, head of Counter Terrorism Policing London, which is leading the Molesworth investigation, cautioned against drawing conclusions about the relationship between the two cases.
She said investigators had found nothing so far suggesting a connection with the Fairford incident and were continuing to examine possible motives.
British authorities have not publicly identified a foreign state or organisation as being responsible for the Molesworth breach.
The two Latvian nationals remain in police custody while investigators continue examining the circumstances surrounding their presence at the installation. The inquiry involves Counter Terrorism Policing, the Ministry of Defence Police and Cambridgeshire Constabulary.
The investigation is taking place against a wider background of security concerns involving European military facilities. Latvia itself reported an armed border provocation and sabotage of surveillance infrastructure near Belarus earlier this week, although there is no evidence linking that incident to the arrests in Britain.
For British investigators, the immediate task remains establishing whether the Molesworth intrusion was an isolated security breach or involved an intention to compromise military operations or intelligence infrastructure.
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