In this photo provided by the Chattanooga Fire Department via Chattanooga Times Free Press, Chattanooga Fire Department personnel work the scene of a fatal elementary school bus crash in Chattanooga, Tenn., Monday, Nov. 21, 2016. In a news conference Monday, Assistant Chief Tracy Arnold said there were multiple fatalities in the crash. (Bruce Garner/Chattanooga Fire Department via Chattanooga Times Free Press via AP)