1800 hours – Commerical Box Alarm – Bloom and E.McNichols, fire reported in a vacant commercial building. Engines 56, 44, 35, Hamtramck Engine 1, Highland Park Engine 1, Hamtramck Ladder 1, Ladder 18, Squads 3, 5, Chiefs 5,8. Chief 8 reported smoke showing upon leaving quarters. Engine 56 on scene stretching on a commercial building going throughout. Chief 8 reported a one-story, vacant, commercial building with fire through the roof and out of control, holding all companies, taking a defensive posture. Chief 8 requested an additional ladder to the scene (Ladder 17). 2 aerial streams and hand lines in operation.