The Detroit Fire Department reported that Fire Boat 1 Capt. Walter Szelag died in the line of duty Friday of an apparent heart attack. At about 4:45 p.m. fire crews called for an ambulance to the fire boat station. Capt. Szelag was transported to a hospital where he was pronounced dead. The department web site said one firefighter reported that Friday was meant to be Szelag's last shift at the boat station before it was closed for the winter. Detroit Fire also lost Sgt. Vince Smith who was found unresponsive in his recliner at the fire station on Nov. 18.