State police at Frackville reported investigating two incidents of criminal mischief.

Troopers said unknown persons smashed several windows on three excavators at a construction site over the past weekend. The incident occurred off Moss Glen Road, in Schuylkill Township, sometime between Friday, May 24, and Wednesday, May 29. The M&J Excavation Company of Bloomsburg, is the listed victim.The second incident occurred at 13 Piersol St., in Schuylkill Township. Unknown persons threw eggs at the 2000 Ford Explorer of Christy Ann Schrauger, 36, of Tamaqua, while parked at that location. The incident occurred sometime between Tuesday, May 28, at 2 p.m. and Wednesday at 10 a.m.Anyone with information concerning either incident is asked to call troopers at (570) 874-5300.