A 27-year-old man with both UK and Iranian nationality has been arrested in Westminster, London, following an incident near the Royal Air Force (RAF) Fairford airbase on Sunday. This arrest represents the sixth made by police in connection with the event. Authorities have not yet released details regarding the nature of the incident at RAF Fairford, nor the specific allegations against those detained. The investigation is ongoing as police continue to gather information and assess potential security implications. The arrests took place in London and are being treated as a priority case. Further updates are expected as the inquiry progresses, though details remain limited at this time. The individuals in custody are currently being questioned by investigators.