Firearms officers were deployed to Whitworth Road in Swindon after reports of a male carrying a gun were made to Wiltshire Police.
But the incident proved to be a false alarm as the male in question was carrying a BB gun.
A spokesperson for Wiltshire Police said: "Shortly after 3pm today (03/08) we responded to a report of a male with what was believed to be a gun on Whitworth Road, Swindon, which turned out to be a BB gun.
"Due to the nature of the call, firearms officers were deployed.
"No offences were committed, and words of advice were given by officers."
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