United States Intelligence Warned Britain of Iranian Threat Before RAF Fairford Arrests

British authorities arrested a sixth individual Thursday in connection with a suspected Iranian terror plot targeting a Royal Air Force base that houses American military assets, revealing a coordinated intelligence effort between Washington and London that preceded the weekend arrests.

Secretary of Homeland Security Markwayne Mullin disclosed Thursday that American intelligence agencies had been tracking Iranian intentions to strike United States assets in the United Kingdom before five British nationals were detained near RAF Fairford early Sunday morning. The base serves as a critical staging point for U.S. Air Force operations throughout the Middle East, particularly those directed at countering Iranian aggression.

“The United States had already been watching this situation with British officials, and we were giving them a heads up,” Mullin stated. He explained that while American intelligence had detected Iranian planning for an attack, the specific target remained unclear until the arrests occurred near the base.

“They were also feeding information to us, so this was something we were paying attention to already. We just didn’t know where it was coming from,” Mullin added. “This was a little bit more specific, so we were on heightened alert about the direct threat we had here but didn’t know where it was coming from, so when we saw it we were able to act quick.”

The five initial suspects, all British nationals from London aged between 23 and 25, were arrested in possession of three vans near the RAF installation. Police detained them on suspicion of terrorism and explosives offenses, though subsequent searches revealed no improvised explosive devices in their vehicles. After extensive interviews, authorities released the men on bail Monday, a decision that has drawn scrutiny from American officials.

The latest arrest involves a dual British-Iranian citizen detained Thursday on suspicion of preparation of terrorist acts. The U.K. Counter Terrorism Policing unit also questioned a second individual and conducted searches of two properties connected to the investigation.

Secretary Mullin expressed frustration with the decision to release the original five suspects but emphasized that authorities maintain surveillance on them. “It doesn’t mean these individuals are just running loose. We, as in our partners and us, have eyes on these five individuals. We are not going to let them slip through the cracks.”

British Prime Minister Andy Burnham stated Wednesday that his government believes Iran “played a part” in the incident. “There are strong indications that Iran played a part in what happened over the weekend at RAF Fairford,” Burnham said, though he did not elaborate on the specific evidence supporting this assessment.

President Donald Trump, when asked about potential American responses, indicated the administration is carefully evaluating the situation. “We’re studying it right now. We’re studying it very hard,” the President said Wednesday.

Trump also questioned the British decision to release the initial suspects. “The United Kingdom did release a number of people that we caught wanting to blow up a base. We caught them early and I’m trying to figure out if that’s for real, if they actually did it.”

The incident underscores the persistent threat Iran poses to American interests abroad and the importance of transatlantic intelligence cooperation. RAF Fairford has long served as a forward operating location for American forces engaged in operations throughout the Middle East, making it a logical target for adversaries seeking to disrupt United States military capabilities in the region.

As investigations continue, the arrest of the dual British-Iranian citizen suggests authorities may be tracing connections that extend beyond the initial group of suspects to broader networks potentially directed by Tehran.