A 23-year-old man was arrested after following reports that he had pulled a gun in an incident of disorderly behaviour.
Police said the suspect was detained on suspicion of disorderly behaviour and obstruction of a highway after the incident on the Portadown Road in Armagh on Wednesday afternoon.
Officers received reports of a man walking in the road who appeared to pull out a suspected firearm.
Police closed the road to traffic and a toy gun was found in follow-up searches of undergrowth.