Police were called to Cross Lane East in Partington to reports of two people with a gun at around 9.30am on June 25th.
Local people tell us that the force helicopter was out and others said police was everywhere.
This is the second incident this year that has been reported to police involving someone with a fire arm and escaping the police, the first was a male on Oak Road.
In this latest incident the gun was not discharged and their have been no reported injuries.
Anyone with information should contact police on 101 quoting reference number 794 of 25/06/18 or the independent charity Crimestoppers anonymously on 0800 555 111.