A man was arrested by gardai in Carrick-on-Shannon on Wednesday afternoon after a member of the public reported that he had a gun.
When gardai arrived at the Carpark of Aldi supermarket they found the man hiding a BB gun under his jacket. He was arrested and brought to Carrick-on-Shannon Garda Station.
It is understood that the man came to the attention of shoppers in the carpark when he fired the gun at a nearby sign.
Gardai are now preparing a file on the matter.