Police received a report of youths causing a disturbance at a takeaway restaurant in the Lonsdale Road area of Armagh on Saturday, December 7.
It is understood that video footage is in circulation revealing the incident to have occurred within the carpark area at KFC, Armagh.
At approximately 9.40pm, it was reported that a number of teenagers had been threatening staff and attempted to break a window.
Officers attended and a man who had intervened during the disturbance was arrested a number of offences including possession of an offensive weapon, and disorderly behaviour.
He has since been released on bail and a file has been sent to the Public Prosecution Service to be reviewed.
Anyone who may have witnessed the incident or with CCTV or other footage that could assist with enquiries is asked to contact police on 101 quoting reference 2545 07/12/24.
Alternatively, you can submit a report online using the non-emergency reporting form via http://www.psni.police.uk/makeareport/
You can also contact Crimestoppers anonymously on 0800 555 111 or online at http://crimestoppers-uk.org/