Bethlehem police officer Kelly Walbert has resigned.
Police Chief Mark DiLuzio declined to comment on the reason for the resignation.
Walbert had been on administrative leave following a disciplinary matter. The chief has declined to explain the nature of that discipline.
The resignation was confirmed Friday by Wade Haubert, president of the Bethlehem Fraternal Order of Police.
Haubert declined to provide details. other than saying the resignation was the subject of an internal police memo circulated Friday.
Walbert had been a school resources officers at Liberty High School.
Channel 69 News is attempting to reach Mayor Robert Donchez for an explanation.
Last month City Council fired another city police officer, Richard Hoffman, who was found to be intoxicated after being involved in a traffic accident. The police department had taken several prior disciplinary actions against Hoffman.