By FireRescue1 Staff
STE. GENEVIEVE, Mo. — A Missouri firefighter died Wednesday after experiencing a medical emergency.
Firefighter David Grass Jr., of the Ste. Genevieve Fire Department, was participating in physical fitness training sponsored by the department on Tuesday when he suffered an apparent brain injury.
An air ambulance flew Grass to St. Louis University Medical Center, where he succumbed to his injury.