One person was killed and two others injured in three overnight accidents in the Indianapolis area. A female pedestrian died on the city's southeast side at about 6:45 p.m. Wednesday at East County Line Road and Madison Avenue. Witnesses said she was hit by a white Dodge Stratus traveling north on Madison Avenue. Police are investigating a different hit-and-run accident Wednesday on the southwest side after a male teenager was seriously injured by two cars while riding his bicycle. One of the vehicles fled the scene near Lynhurst Drive in Decatur Township. Another pedestrian was struck and critically injured at about 1 a.m. Thursday at 60th Street and Michigan Road.