UK Counterterror Police Probe Suspected Bomb Plot Near RAF Fairford, Iran Link Under Scrutiny

British counterterrorism detectives are investigating a suspected bomb plot near RAF Fairford, a US-operated air base in England, and are examining whether the five men arrested have links to Iran.

The suspects — all British nationals from London, aged between 23 and 25 — were detained shortly after midnight on Sunday after police stopped three vans travelling toward the base. Counterterrorism police, who have taken over the investigation, said the men were arrested on suspicion of preparing an act of terrorism as well as explosives offences.

Investigators have not concluded whether the incident was a state-backed attack. They are looking into possible connections to Iran, Russia or militant groups. Iran has denied involvement.

RAF Fairford, which is UK-owned, houses the headquarters of the US Air Force's 501st Combat Support Wing and serves as a forward operating location for the US Air Force Global Strike Command. It has been used by American bombers in the 1990 Gulf War, the 2003 Iraq war and the US-Israeli bombardment of Iran this year.

A local farmer said she called emergency services after finding three vans blocking a road in the nearby village of Whelford. She described seeing a group of about eight or ten men, some with their faces covered, run away when they spotted her car. Dozens of households near the base were later advised to evacuate while bomb disposal robots examined the vans.

The farmer, who declined to be identified, said several hours passed between her call and the evacuation, and questioned why the vans were left in the middle of the village next to homes in the interim.

Defence Secretary Wes Streeting said the motive is not yet known, but added that Britain should not be intimidated by "saber rattling from Iran" and said there should be no doubt that the Iranian regime wishes harm to the country, its allies and the freedoms they enjoy. He also said the farmer had only a "partial picture" of events, without elaborating, citing operational security.

Iran's embassy to the UK condemned what it called "unfounded and malicious speculations" by some British individuals and media linking it to the suspected plot.

Nigel Inkster, a senior adviser at the International Institute for Strategic Studies and a former member of the British Secret Intelligence Service, said Iran is known to have hired "low grade," untrained proxies to commit crimes in the UK on its behalf, but that it remains unclear what sort of threat these particular individuals posed. He questioned whether the devices involved were sophisticated or crude, and whether the operation was homegrown or internationally sponsored, particularly by Iran. He added that driving three vans up to a perimeter-protected air base did not strike him as a particularly effective way to cause significant damage.

US President Donald Trump praised the response, telling reporters that the suspects had been under observation for a long time and were "looking to do big damage to our fort," and that cooperation with the British had worked out well.

Some residents have told British media they noticed increased security near Fairford in recent weeks, suggesting authorities may have anticipated an incident. British police, however, have said the arrests were triggered by a late-night call about suspicious vehicles near the base.

It remains unclear when security services first became aware of the alleged plot and whether any lapses allowed the suspects to get so close to the base.