Rock-throwing incident on I-81

State police at Frackville reported investigating a rock-throwing incident.

Troopers responded to Interstate 81, southbound, in Kline Township, Schuylkill County, at 6:20 a.m. Saturday to a report of someone throwing rocks at vehicles on the interstate.

Anyone with information concerning this incident is asked to call troopers at 570-874-5300.