Five British men were released on bail Tuesday following their arrest over a suspected terror plot near RAF Fairford, a Royal Air Force base in Gloucestershire used by the United States Air Force for operations linked to the ongoing Middle East conflict. The men, all in their twenties and from London, were detained Sunday after a local farmer reported seeing three white vans blocking a road near the base and a group of hooded individuals fleeing the scene.

Assistant Commissioner Laurence Taylor, head of UK Counter Terrorism Policing, confirmed the men remain suspects and are subject to strict bail conditions restricting their movements and interactions as investigations continue. The arrests were made under suspicion of offences related to explosives and preparing an act of terrorism. Officials have not ruled out any motivation, considering multiple lines of inquiry including the possibility of proxy involvement or actions carried out knowingly or unknowingly on behalf of a foreign state.

RAF Fairford has gained heightened strategic importance since March, when the British government authorized the U.S. to operate B-1 and B-52 bombers from the base for what it described as "defensive" strikes targeting Iranian missile sites. Although the United Kingdom has abstained from direct military engagement in the U.S.-Israeli conflict with Iran that began earlier this year, the base’s use has made it a potential target. Iran has denied any role in the alleged plot, with its embassy in London condemning speculation of Iranian involvement as unfounded and malicious.

The incident raised questions about what intelligence security agencies had prior to the arrests. UK Defence Secretary Wes Streeting suggested the farmer’s quick action was decisive in averting potential harm, while noting that she only had partial information. Former U.S. President Donald Trump said authorities had been monitoring the suspects for an extended period. MI5 Director Sir Ken McCallum had previously reported increased Iran-backed plots within the UK, with several attacks claimed by groups reportedly linked to Tehran occurring over the past year.

The investigation also includes consideration of potential links to Russia or non-state militant organizations, though no conclusive evidence points to direct state sponsorship. Searches at the scene reportedly uncovered suspected explosives, but police sources indicated the lack of viable explosives may have influenced the decision to grant bail rather than continued detention without charge.

A Cobra emergency committee meeting was convened by the British government to assess the security implications of the event. Officials stressed that the investigation remains active and comprehensive, reaffirming their commitment to pursue all credible leads while safeguarding national defense installations.