File Photo | Credit: Waukegan Police Department.

Police are searching for a vehicle that fatally struck a pedestrian at a high speed and fled the scene early Saturday morning in Waukegan.

The Waukegan Police Department and Waukegan Fire Department responded around 12:30 a.m. Saturday to the 2400 block of Washington Street for a report of a pedestrian struck by a vehicle.

Police found a Waukegan man, who was in his 50s, in the street with serious injuries. The man was transported by ambulance to an area hospital where he was pronounced dead later that morning.

The Waukegan Police Department’s Traffic Division was called to investigate the crash due to the severity.

Police investigators believe that a black sedan was traveling eastbound on Washington Street at a high rate of speed when the vehicle struck the man. Witnesses in the area told police they heard a “very loud exhaust,” the Waukegan Police Department said.

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The victim’s name is being withheld pending an autopsy and notification to his family, police said. An autopsy on the man has been scheduled for Monday afternoon by the Lake County Coroner’s Office.

Anyone with information about the hit-and-run is asked to call the Waukegan Police Department’s tip line at 847-360-9001.