A 25-year-old UK-Iranian dual national was arrested in Westminster, London, on suspicion of preparation of terrorist acts in connection with the incident at RAF Fairford, counter-terror police said, according to the BBC.

Five men in their twenties arrested near the airbase on Sunday remain on police bail, also according to the BBC. The RAF Fairford airbase hosts United States Air Force (USAF) personnel, according to The Jerusalem Post.