LOUISVILLE, Ky. (WDRB) -- An 18-year-old bicyclist has died after he was critically injured in a hit-and-run early Sunday morning in Madison, Indiana. 

The Jefferson County Sheriff's Office says officers responded to a serious accident on US 421 between Old State Road 62 and a roundabout in the northbound lane just before 4 a.m. 

Upon arrival officers discovered the teen in serious condition after he had been hit by a vehicle that had fled the scene, police say. 

He was transported to the hospital where he died Sunday evening. 

Officers are asking the person who fled the scene to turn themselves in, and for anyone with information about the accident to contact the sheriff's office at 812-265-2648. 

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