State police at the Fern Ridge barracks are investigtaing a criminal mischief incident whereby someone fired BB gun shots through a garage door window in Chestnuthill Township.

The incident happened between 12:30 and 4:45 p.m. Dec. 20 at 6692 Hillside Drive in the township. The victim is a 45-year-old female resident who told police she discovered the window was broken by the BBs.