Investigators sift through the debris of a collapsed row house where three Baltimore firefighters were killed in January 2022. and collisions with other vehicles each accounted for seven deaths. Three deaths were the result of being struck by a nonfire department vehicle, and one resulted from being struck by a falling object. Two deaths were caused by vehicles overturning, and one death was caused by a collision with a stationary object. All of the victims were municipal firefighters, with volunteer firefighters accounting for 16 of the 21 deaths. Ten firefighter deaths resulted from training activities. Four of these involved cardiac events, and four were due to medical conditions. Two deaths resulted from trauma injuries-one when the firefighter was struck by a nonfire department vehicle and one when the firefighter fell from height. Four of the training death victims were career firefighters and six were volunteer firefighters. Nine firefighters died while responding to nonfire emergencies. Four of these deaths were the result of being struck by nonfire department vehicles. Two firefighters drowned while trying to save victims trapped in water-one while NFPA .ORG/JOURNAL * NFPA JOURNAL | 73http://nfpa.org/journal