State police at Frackville are investigating a criminal mischief incident at a Schuylkill County site.

Troopers said unknown criminals smashed several windows on a D-9 dozer and spray-painted the windows on a haul truck at a site off SR901 in Cass Township. The damaged property is owned by Reading Anthracite Company.

This is the second incident at this location within the last week, troopers noted. Anyone with information concerning this incident is asked to call troopers at (570) 874-5300.