State police at Frackville are investigating an incident that occurred along Interstate 81 in Schuylkill County on Sunday in which an object was thrown at a vehicle.

Troopers said John Reid, of Hummelstown, Dauphin County, and his wife, Maureen, were traveling southbound in Delano Township when someone threw an object from the Lofty Road overpass at their vehicle.The object smashed the sunroof on the vehicle. The Reid's were not injured. The incident occurred at 5:59 p.m.Anyone with information concerning this incident is asked to call troopers at 570-874-5300.