Box No. 473 sounded at 11:43p.m. Ladderman George W. Popp opened the bay door of Hook & Ladder No. 4. As the truck was exiting the firehouse Ladderman Popp jumped onto the moving rig, slipped, fell under a rolling wheel and was fatally injured. Ladderman George W. Popp was 35 years old and had served 2 years.