A Pennsylvania State Police trooper was killed during a traffic stop in Chester County on Sunday night, authorities said.

A suspect is dead, and a Baltimore Police officer is injured after a hostage standoff in the Glen neighborhood Tuesday.

Authorities say a Pennsylvania State Police trooper is dead after he was shot and killed by a man he had pulled over in a traffic stop.

Cpl. Timothy O'Connor was fatally shot after pulling over an erratic driver, officials said during a news conference early ...