A Pennsylvania State Police trooper died after suffering a medical emergency while on duty Monday night, Pa. State Police Commissioner Colonel Robert Evanchick announced Tuesday. 

According to State Police, Trooper Monty Mitchell, 45, was assigned to the Patrol Section of Troop C in DuBois. He suffered a medical emergency in the station parking lot during his shift at approximately 9 p.m. Monday night. 

Coworkers attempted life-saving measures and called 911 but were unable to revive him. 

Mitchell was pronounced dead at Penn Highlands DuBois Hospital at 10 p.m.

"Our department feels the heartache of the sudden loss of a colleague and friend," said Colonel Evanchick. "We ask Pennsylvanians to keep Trooper Mitchell and his loved ones in their thoughts during this difficult time." 

Mitchell enlisted in the Pennsylvania State Police in November 2007.