Hesston, Pa. - A Pennsylvania state trooper was fatally shot Friday night, authorities said.

The office of Huntingdon County District Attorney David Smith said the trooper, whose name was not released, was killednear Hesston, a small community in the central part of the state.

The remote area around where the shooting occurred was closed off while police officers on foot, in cars and in a helicopter searched for the trooper's killer.

- The Associated Press