Police have issued a warning to the public on the dangers involved in trespassing on derelict sites.
The warning followed a vandalism incident at the Old Mill in Gilford.
Police are investigating criminal damage in the form of graffiti that occurred at the site between Saturday 13th August and Monday 15th of August.
They said: "This is a derelict building and police would like to remind people of the dangers of trespassing on these types of sites, they are fenced off and boarded up to keep people out!!
"If anyone recognises the graffiti 'tag' they can contact police at Armagh on 101 or anonymously on 0800 555 111 quoting reference 337 of 15/8/16"