UPDATE: Police have arrested 21-year-old Lorenzo Gamaz for involvement in a hit and run in Walker. He was booked at Livingston Parish Jail for Negligent Homicide, Felony Hit & Run resulting in Death, Reckless Operation, No Driver’s License, No Insurance, and Failure to Report a Crash.

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WALKER - Louisiana State Police troopers are asking for the public's help in locating a driver that was involved in a fatal hit-and-run crash in Livingston Parish overnight.

According to State Police, the crash occurred around 12:00 a.m. on LA 447 south of Interstate 12. The crash claimed the life of 36-year-old Coty Metrejean of Denham Springs.

Through the initial investigation, State Police determined that the crash occurred as Metrejean was traveling southbound on LA 447 on a 2016 Harley Davidson motorcycle. For reasons still under investigation, Metrejean was struck from behind by a southbound vehicle.

The impact caused Metrejean's motorcycle to cross the center line and crash in the northbound ditch. Metrejean sustained serious injuries as a result of the crash and was transported to an area hospital, where he was later pronounced dead.

Based on evidence collected at the scene, Troopers believe that the suspect vehicle is a red 2006 to 2009 Audi with significant damage to the front of the vehicle. This crash remains under investigation, and Troopers ask that anyone with any information regarding this crash please contact Louisiana State Police Troop A at 225-754-8500.