THE BRONX - Police are investigating a fatal accident that took place on the Henry Hudson Parkway.Cops say a pedestrian was hit by a vehicle heading south near 254th Street at around 5 a.m. Friday. The pedestrian was pronounced dead at the scene. Police say the victim was male, but his identity has not yet been released.Authorities say the driver remained at the scene of the accident.All lanes of the parkway were closed as police investigated the incident.