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The officer had been with the police department for less than a year

(CNN) Investigators have identified a suspect in the death of a western Pennsylvania police officer who was gunned down during a traffic stop.

Rahmael Sal Holt, 29, shot and killed officer Brian Shaw on Friday, police said.

"Consider Holt armed and dangerous," the Pennsylvania State Police tweeted.

Update New Kensington Police Officer Shooting: Rahmael Sal HOLT (DOB 05/31/88) has been identified as the person who shot and killed Officer Shaw. A warrant has been issued for Holt's arrest. Consider Holt armed and dangerous! Call 911 with info on his location. Pictured below pic.twitter.com/6L6vqQ0WVs — Troop A Public Information Officers (@PSPTroopAPIO) November 19, 2017

Brian Shaw had been a patrolman with New Kensington's police department for less than a year when he was killed Friday night, according to police Chief James Klein.

The traffic stop resulted in a foot chase before Shaw, 25, was shot, Klein said.

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