Firefighter Lt. Mark Morrison, 53, a 25-year veteran of St. Lucie County Fire District, was found unconscious by fellow firefighters. They tried to resuscitate him before he was taken to the hospital.
"This is a very sad day for all of the St. Lucie County Fire District family as we lost one of our own," Fire Chief Ron Parrish told TCPalm. "Mark was a committed firefighter and officer. He was a mentor to those who served with him and a friend to so many."
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