Blaze engulfs former firehouse on North Capitol Street

A former firehouse in Northwest D.C. caught fire and collapsed, with the blaze being fueled by an uncontrolled gas line. Several nearby homes were evacuated, and the fire spread to a neighboring four-story building under construction. One firefighter was rescued after declaring a mayday. Firefighters are battling the fire from the outside, and no injuries have been reported. Roads in the area are closed. The firehouse was undergoing renovation and was not occupied at the time of the incident.