A motorcyclist was killed Saturday evening in a hit-and-run crash in Sumter County.

The Florida Highway Patrol said a Pontiac was driving west on County Road 466A near Buena Vista Boulevard as Benjamin Murtagh, 24, of Belleview was on his motorcycle behind the vehicle.

Investigators said the Pontiac slowed down for traffic and Murtagh changed to the outside lane.  The Pontiac also tried to change lanes and collided with the motorcycle, troopers said.

Murtagh was thrown from the bike and died at the scene.

FHP said the car then fled the scene.

Troopers began looking for the vehicle.  On Sunday, FHP said  25-year-old John Owen Kiley of Fruitland Park contacted troopers and told them he was the driver.  FHP said he is cooperating with investigators.   The crash remains under investigation and troopers say charges are pending.