Police swarmed a Sheffield estate after reports that a man had been spotted with a firearm.
Specialist armed officers swooped onto the Winn Gardens area of Hillsborough on Sunday at 1pm.
Police arrested a 20-year-old man on suspicion of public order offences.
In a statement, South Yorkshire Police said: “No shots were fired, no injuries have been reported and a search of the area found a BB gun.
“There is not believed to be any risk to the wider community at this time.
“The 20-year-old man has been bailed pending further enquiries while investigations continue.”