A training exercise at Jackpot Junction Casino and Hotel today (FRI) involves over 250 healthcare, law enforcement, and emergency management personnel. The mass casualty/mass fatality full-scale exercise is being held at the Dakotah Exposition Center from 8am-4pm. The Southwest Emergency Preparedness Team is partnering with the hundreds of local, regional, tribal and state healthcare and preparedness officials to test their response to a simulated gas explosion injuring and killing hundreds of people. Area residents and casino patrons may see numerous police, fire and emergency vehicles staged for the exercise at the casino. Simulated victims will respond as if this were an actual incident, and casino patrons may hear loud voices or emergency announcements over handheld radios about the exercise.