August 13, 2013 7:02 pm D.C. Ambulance Catches Fire During Response News4’s Darcy Spencer reports on two new incidents involving D.C. ambulances, including the ambulance traveling in President Obama’s motorcade that ran out of gas. Local 2:25 Community, businesses mark first weekend of emergency curfew at National Harbor 1:27 Police search for suspect who vandalized Rockville synagogue sign 2:03 PNC Parkway Classic marks 40 years of racing in Virginia 5:01 Strawberry Season: Pick fruit at this Virginia festival 0:40 Man stabbed to death near Audi Field in DC