State police at Frackville are investigating a criminal mischief incident that occurred at a residence in Girardville, Schuylkill County.

Troopers said unknown criminals arrived at the residence of Angela Francis Klinger, 32, of 213 A St., and took a wooden chair which was on the front porch and threw it at the front glass window of the home, breaking the outside pane of glass. They then fled the scene.The incident occurred sometime between Feb. 20-22.