On January 9, Nadia Mourtaj, 21, of Waldorf was pronounced deceased as a result of injuries she sustained in a car crash that occurred on December 31. Nadia was driving a passenger car northbound on St. Charles Parkway near Gateway Plaza in Waldorf when she lost control of the vehicle, which left the roadway and struck a tree. Her 15-year-old sister, Zeyneb Mourtaj, a passenger in the vehicle, was pronounced deceased on the scene. An 18-year-old relative, Meklit Techlehaimanot, who was also in the car, suffered a broken arm. Since the crash, Nadia had been in a hospital in critical condition until she passed away earlier this morning. Cpl. K. Syvertsen of the Traffic Operations Unit is continuing the investigation.