Five British men in their 20s were arrested at RAF Fairford on suspicion of a potential terrorist act. Explosive devices were detected near the U.S.-operated air base. Police confirmed all suspects are British nationals. The arrests took place at RAF Fairford, an air base controlled by the RAF. The suspects are all British men in their 20s. The incident occurred near the U.S.-operated air base. Iran has denied any role in the plot. The five men were arrested on suspicion of an explosives-related crime. Explosive devices were detected near the air base. All suspects are confirmed to be UK individuals.