The Loudoun County Sheriff’s Office is investigating a fatal crash involving a pedestrian and two vehicles. One of the drivers involved did not stop and fled the scene. The crash occurred around 2:40 a.m. Sunday morning in the area of Route 7 and Dranesville Road in Sterling. The pedestrian was reportedly attempting to cross Route 7 and ran across the roadway. The pedestrian was struck by the two vehicles in the westbound lanes of Route 7. One of the drivers remained on scene. The second driver fled the scene in a dark-colored Mercedes Benz sedan. The victim, Dagoberto F. Perez Lopez, age 42, of Prince William County, was pronounced deceased at the scene of the crash. The crash remains under investigation by the Loudoun County Sheriff’s Office Crash Reconstruction Unit. Anyone who witnessed the crash or has information regarding the Mercedes Benz sedan and who has not already spoken to law enforcement is asked to contact Investigator M. Lotz at 703-777-1021.