May 22, 2018 8:25 am Docs Say ERs Not Prepared for Disaster: Study A new study released Tuesday says more than 90 percent of doctors said their emergency rooms are not fully prepared for a mass casualty incident. NBC 7’s Liberty Zabala reports. US & World Videos 2:45 La Jolla Concours d'Elegance classic race cars 1:39 Troops Endure Hyper-Realistic Training 2:07 New study links consuming red meat with dementia 2:05 Police find, return dozens of abandoned Amazon packages 0:28 A Vermont state trooper plunges into icy pond to rescue 8-year-old girl