Five British men were arrested near RAF Fairford, a US-operated air force base in Gloucestershire, England, on Sunday amid suspicions of explosives offenses and preparation for a terrorist act. The suspects, all in their early to mid-20s and from London areas including Camden, Westminster, and Willesden, were taken into custody after authorities received reports of three suspicious vans near the base in the early hours of Sunday. One of the arrested men reportedly called emergency services himself, although the motive behind the call remains unclear.
Following searches of the vans by bomb-disposal experts, no explosives were found, but a quantity of petrol was recovered. The men were subsequently released on police bail the next day, prompting surprise and criticism from some international figures, including former US President Donald Trump and US Secretary of State Marco Rubio, who expressed concern over the decision to grant bail pending further investigation.
UK Counter Terrorism Policing Assistant Commissioner Laurence Taylor emphasized that the decision to release the suspects was a strategic investigative move, grounded in experience and ongoing inquiries. He reassured the public that the men remain under stringent bail conditions and active investigation. Police also conducted searches of multiple premises in London as part of the inquiry.
Authorities are continuing to explore several lines of inquiry, including whether the suspects acted independently or as proxies for a foreign state. Officials have pointed to a possible link to Iran, which has denied any involvement. Other potential connections under examination include Russia and various nonstate militant groups. A former counterterrorism official suggested the incident might represent a "dry run" or hostile reconnaissance ahead of a potential attack.
RAF Fairford has long been a strategic base used by the US Air Force, hosting bomber operations in conflicts such as the Gulf War, the Iraq War, and more recently in the 2025 conflict involving Iran. The base has also been a frequent target of antiwar demonstrations.
The incident has raised broader concerns within the UK about rising threats to national security. British officials have noted a 50% increase in cases related to hostile state activity in the six months leading to December 2025. Defense Secretary Wes Streeting condemned what he described as intimidation tactics from Iran, highlighting the regime’s adversarial stance against the UK and its allies.
Local authorities have maintained a police cordon around the vans while continuing forensic investigations. Residents near RAF Fairford reported heightened security and increased military presence in the days leading up to the arrests. The ongoing investigation aims to clarify the suspects' intentions and whether the event formed part of a larger plot targeting the base or allied interests.