Gloucestershire village evacuated after arrests near US bomber base RAF Fairford

A major incident has been declared in the Gloucestershire village of Whelford, where homes were evacuated and several men arrested on suspicion of explosives offences close to one of the country's key US military bases, police have said.

Gloucestershire Police confirmed on Sunday morning that residents in the Whelford area had been taken to a local leisure centre while officers and partner agencies continued their work. The declaration of a major incident was made in the early hours and followed the detention of a number of suspects, police said.

The operation centres on a stretch of countryside and residential streets immediately south of RAF Fairford, an air base in Gloucestershire that hosts aircraft and personnel from the United States Air Force. The base has been used to deploy US bombers since the conflict in Iran began on 28 February, according to the BBC.

Several men have been arrested on suspicion of committing offences under the Explosives Act, Gloucestershire Police said. The precise number of those detained had not been released in the initial account, and no further charges had been confirmed at the time of publication.

The Army's specialist explosive ordnance disposal team is on scene and is examining a number of vehicles. Officers established a cordon around part of the area, and said they believed the incident was contained. A significant emergency services presence was reported in the village, including a Hazardous Area Response Team.

In a statement, Gloucestershire Police said a number of properties were being evacuated in the Whelford area following the declaration of a major incident, and that it followed the arrests made on suspicion of offences under the Explosives Act. Officers said they were working closely with partner agencies and were enacting well-rehearsed plans designed for situations of this type.

A major incident declaration is an administrative and operational step, not a verdict or an indication that a particular threat has been identified. It allows police, fire and rescue services, the ambulance service and other agencies to co-ordinate resources, establish a multi-agency command structure and request additional specialist help. It is routinely used in the UK for significant road collisions, large fires, serious criminal incidents and, as here, suspected explosive-related matters.

The legal threshold for arrest on suspicion of an Explosives Act offence is deliberately low. Officers do not need evidence sufficient for a conviction in order to arrest and detain a person; what is required is a reasonable suspicion that such an offence has been committed. Experts in criminal procedure stress repeatedly that an arrest on suspicion is a routine investigative step rather than a statement of guilt, and that the number of people taken into custody can change as officers make further arrests and as material is examined.

The Explosives Act is the main piece of UK legislation governing the manufacture, storage, supply and use of explosives, and it carries a range of offences covering everything from unlicensed possession to the provision of explosive material to a person who is not a licensed "explosives user". Possession in a public place, or the keeping of explosive articles in a vehicle, are among the offences cited most frequently in connection with suspicious vehicles and unattended packages.

Bomb disposal officers work in a tightly controlled way. Typically the first step is establishing cordon sizes based on what is known, or suspected, about the item, and identifying who was in the area at the relevant time. Vehicles are typically searched, and in some cases the occupants questioned, before a decision is made on whether the vehicle can be driven away, must be examined on scene, or has to be moved to a specialist facility. A Hazardous Area Response Team, drawn from the fire and rescue service, provides a further layer of specialist capability for hazards involving fuels, chemicals, batteries or industrial cargo.

The use of a leisure centre as a reception point is standard practice in UK evacuations. Such centres provide shelter, welfare support, information, medication and a place for residents to wait while the emergency response continues, and they are frequently used when a village has no alternative gathering place at short notice.

Attention has focused on the proximity of the incident to RAF Fairford. The base has a long-standing role in supporting US air operations from Britain, and its use for bomber deployments since the Iran conflict began places it at the centre of current military and political interest. In that environment, incidents near the perimeter of a base attract heavy police and security attention, and any arrests made in the surrounding area are treated with particular care by investigators.

Campaigners have repeatedly targeted UK military installations in recent years, occupying or interfering with facilities in protest over foreign policy, arms sales and the use of British bases to support overseas operations. Security managers at air bases have accordingly become accustomed to disruptive activity in the surrounding countryside, and the presence of an ordnance disposal team does not in itself indicate the outcome of a police investigation.

The BBC's report was updated shortly after it was first published on 27 September, and officials had not disclosed the identity of those arrested, the number of vehicles involved, or whether the cordon remained in place. Police said they were working with partner agencies, which typically includes local authorities and, in a case near a military airfield, representatives from the Ministry of Defence and the US Air Force.

Residents were expected to remain at the reception centre until police gave further notice, and officers said the evacuation was precautionary and subject to review. Gloucestershire Police has not said when the investigation will be completed, and it remains possible that further arrests or searches could take place as the examination of the vehicles progresses. The public has been asked to avoid the cordoned area, and officers have asked anyone with information to contact the force.