A 27-year-old UK-Iranian dual national has been arrested on suspicion of preparing terrorist acts in connection with an incident at RAF Fairford, Counter Terrorism Policing has said.

The man was arrested in the Westminster area of London as part of an investigation into the incident.

A second man, aged 26 and a UK national, has also been questioned under caution in connection with the investigation.

Police have carried out searches at two properties in the area as inquiries continue.

The circumstances surrounding the incident at RAF Fairford remain under investigation, and officers are continuing to establish the full details.

No further information has been released about the nature of the alleged preparations or the circumstances that led to the arrests.

This is a developing story. Further details are expected as the investigation progresses and will be added as they become available.