A Washington State Patrol car struck and killed a pedestrian Tuesday night on Interstate 5 off-ramp an at Mount Vernon.

The patrol says the trooping was exiting from I-5 at 9:45 p.m. when he hit the 26-year-old man who died at the scene.

Trooper Keith Leary told KOMO (http://is.gd/XSHEua) the trooper was shaken but not injured. He's on leave for the investigation by the patrol and Mount Vernon police.

Leary called the death a tragic accident and said, "Our hearts go out to that family."

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Information from: KOMO-TV, http://www.komotv.com/