An Audi A6 sedan hit a young couple riding an electric bike under the overpass at the intersection of Xihuan Road and Science Avenue in Zhengzhou city. The man was thrown more than ten meters away while the woman was dragged by the Audi sedan for about 2 km. More than half of the right side of her cranium had been worn away, putting her life in grave danger. After the hit - and - run accident, the Audi escaped but left its license plate at the scene. Currently, both injured persons were put under critical care and the hospital has issued critical notices.