@nbcsouthflorida: Authorities are looking for a driver who hit two children on an electric bicycle, killing a 10-year-old girl before leaving the scene in northwest Miami-Dade late Wednesday. The hit-and-run crash happened in the area of Northwest 117th Street and Northwest 7th Avenue, the Miami-Dade Sheriff's Office said. Deputies were called to the scene at around 8 p.m. According to a preliminary investigation, a driver was going north on Northwest 7th Avenue approaching Northwest 117th Street when they made a left turn and hit the children. The victims are a boy of unknown age and a 10-year-old girl who were found "lying on the roadway, both unresponsive." #crash #miami