Fairford: Five Arrested, Iran Link Investigated

British counter terrorism police were still holding five men on Monday who were arrested near RAF Fairford, the air base used by the US Air Force, while military experts examine explosives found in three seized vans. The investigation, which is checking a possible link to Iran, is not only a British story: bases the US and its allies use for operations against Tehran are, in Iran’s own reading, legitimate targets, and the proxy networks London and Washington tie to Iran and Russia operate across Europe, including the region where Serbia balances between Brussels and Moscow.

What happened near RAF Fairford

Armed police stopped three white vans in woodland near the village of Welford, in Gloucestershire, in the early hours of Sunday, after residents called in a tip shortly after midnight. Welford sits next to RAF Fairford, a British owned base the US Air Force has used for decades during conflicts in the Middle East. The five men, whose identities have not been released, were first arrested on suspicion of offenses under the Explosives Act, then on suspicion of preparing an act of terrorism. Under British law, police can hold them for up to 14 days before they are charged or released.

Because of the risk from the explosives, a major incident was declared and a 400 meter cordon set up, and residents were evacuated from 85 nearby households in Welford. A military bomb disposal team used a robot to examine all three vans, and by Monday morning residents still had not returned home, with the vehicles still at the scene.

Why Fairford is at the center of the investigation

American B-1 and B-52 bombers flew out of Fairford during the war with Iran, from a base roughly 160 kilometers west of London. Then Prime Minister Keir Starmer approved the use of British bases in March 2026 for what he called “defensive” operations against Iranian missiles and their launch sites, after Tehran had earlier attacked British interests and London’s allies in the Gulf. Starmer is no longer prime minister: Andy Burnham has held the office since July 20, 2026. Investigators have not yet concluded whether the incident is state backed, and they are checking a possible trail leading to Iran, Russia or non state militant groups. RAF Fairford has also previously been a target of anti war protests, which further complicates the task of separating out motives.

Reaction from London and Washington

US President Donald Trump told reporters in Chicago that the suspects had been under surveillance for some time, thanks to cooperation between American and British agencies.

“We did a great job. We had them under investigation. They were going to do a lot of damage to our base there. And the cooperation with the British was terrific,” Trump said.

British police, for their part, said the arrests followed a late night call reporting “suspicious vehicles” near the base. British Defense Secretary Wes Streeting declined to disclose details of the operation, but said it was “a proud moment” that Trump had recognized the work of British police and intelligence services.

“As soon as we can, we will update the public on these individuals and on the nature of the threat,” Streeting told Times Radio.

British Foreign Secretary Ed Miliband said on Monday that the incident was “a reminder of the threats our country faces.” Last week in New York, on the sidelines of the United Nations, he met Iranian Foreign Minister Abbas Araghchi and told him Britain would not tolerate intimidation, threats or hostile activity on its soil. The US Air Force said its personnel at Fairford remain on alert but would not disclose specific force protection measures for security reasons, while the US Embassy in London urged Americans in Britain to be cautious.

What this means for Europe and the Balkans

British intelligence services said back in March that the number of national security cases involving hostile state activity, Iran among them, had risen 50 percent in the six months to December 2025. It is the same sanctions regime and the same network of proxy actors that British security officials have previously linked to arson and sabotage attacks in several European countries, most often directed at Jewish communities. For Serbia, which is not a NATO member and keeps a diplomatic channel open with both the West and Tehran, this kind of network is not an abstract threat from a distant headline, but part of the same geopolitical reality in which people and influence pass through the Balkans.

As the investigation continues, the identities of the five men remain unknown, and British police have said they will release information about them and about the nature of the threat only once a security assessment allows it, at the latest before the 14 day legal deadline for charging them expires.