Two volunteer firefighters were killed in the early morning hours of Monday, March 15, 1993 in the town of Pittston, Pennsylvania. The two firefighters, who were members of separate departments, were operating as a team on a hose line, attempting to locate a concealed fire, when a sudden and unanticipated floor collapse sent them crashing down into an inaccessible combustible concealed space. Even though both were wearing full protective clothing, using self-contained breathing apparatus, and operating with the protection of a handline, they were unable to escape from the building or find refuge from the rapidly advancing fire conditions. Rescue teams were unable to reach the victims due to difficult access and rapid fire spread throughout the fire building and interconnected structures.