Police have arrested a man following an alleged burglary in Wellington.Officers were called to a commercial premises on Wakefield Street about 1.50pm, a police spokesperson said."During the incident, the man has allegedly shown a concealed firearm before leaving the area."The man was located on Kent Terrace a short time later."They said an "imitation firearm" as well as discarded clothing was found in a search of the surrounding area."Armed staff were in attendance as a precaution."