State police at the Schuylkill Haven barracks are investigating a criminal mischief incident that happened between 8:30 a.m. Dec. 16 and 10:40 a.m. Dec. 17 at the Pine Grove Joint Treatment Authority, Pine Grove Township.

Police said someone damaged the glass on an electrical meter by shooting BB gun pellets at it five times.The property is located at 80 Roberts Road in the township.