Reichshof (dpa / lnw) - After a serious accident on Autobahn 4 near Reichshof, a four-year-old girl died of her injuries. This was announced by the Cologne police on Thursday. In the accident last Friday, the 42-year-old mother left the road with her car. The car overturned. The mother was slightly injured. Her daughter was taken to a hospital in a rescue helicopter, where she died on Wednesday, police said.