A 17-year-old boy was shot to death and two men were seriously injured during an early morning gunfight in a San Pedro parking lot, police said. Reginald Grant was pronounced dead at Harbor-UCLA Medical Center. Jewel Wade, 27, and Julius Lanier, 30, were hospitalized in serious condition poilce said. Wade suffered several gunshot wounds and Lanier was injured when he was run over by a car while trying to run away from the gun battle, officers said. The incident was under invesitgation, and officers said it might have been gang related.