A Pennsylvania state trooper was shot and killed during a traffic stop in Chester County, with the suspect still at large.

A Pennsylvania state trooper was killed Tuesday after pulling over a driver exhibiting erratic behavior in Chester County. Authorities say the trooper was shot during the traffic stop, marking a tragic incident that has drawn widespread attention. The suspect remains at large, and investigators are actively pursuing leads. The trooper, whose name has not yet been released, was responding to a call about a suspicious vehicle when the shooting occurred. The incident has prompted an outpouring of support from law enforcement agencies across the state.