Burnham says Iran played a part in the RAF Fairford van incident

Prime Minister Andy Burnham said on Wednesday that the government believes Iran played a part in the incident at RAF Fairford, the Gloucestershire base used by American bombers. He told the BBC there were strong indications of an Iranian role, and that he would not say so lightly. He did not say what the indications were.

Five men, all British citizens, were arrested in the early hours of Sunday on suspicion of explosives offences and terrorism, after white vans were seen near the base. Police evacuated more than 85 homes and used a bomb-disposal robot on three vans. The men were released on bail on Monday, a step police called an investigative decision grounded in experience and strategy. On Tuesday the force said searches had found a quantity of petrol and no explosive devices.

Burnham had spent the first two days telling the public not to speculate about motive or foreign links. The BBC interview reversed that public line. He said more would be said in due course, that the investigation remained complex, and that Britain was working with the United States. US Secretary of State Marco Rubio had said on Monday that the incident clearly involved the hands of a foreign actor. He also did not name the actor in that first remark. Burnham's Wednesday statement is the first from either government to put Iran on the record.

RAF Fairford sits about 90 miles west of London and has been a forward operating location for the US Air Force for decades. B-52 bombers deploy there on Bomber Task Force rotations. In the war with Iran that began in February, the base is one of the few sites in Britain from which American long-range aircraft have staged. That is the operational fact behind the political claim. A van with petrol at the perimeter is not, on the police account, a completed device. It is enough to trigger a terrorism arrest and a two-day evacuation.

The gap between the police finding and the prime minister's sentence is the story. Officers say they found petrol and no explosives, and they bailed the suspects. The head of government says there are strong indications Iran played a part, and withholds the reason. Both statements can stand. Bail is not an exoneration, and a foreign-link assessment can rest on intelligence that is not in the charge sheet. What the public record does not yet contain is a charge, a named handler, or a description of how the petrol was meant to be used.

Iran has not accepted the claim in any statement carried by the agencies on Wednesday. The British investigation is still open. The five men are on bail, not in custody. Fairford remains a US bomber location. The next public step is either a charging decision or a fuller account from Downing Street of why the petrol in the vans is being treated as an Iranian act rather than a domestic one.