7/20/16 – 0735 hours – 7325 Sarena St - Commercial Box Alarm, Chopin & Sarena Sts, reported as a commercial building fire with no address. Companies on the box alarm: Engine 17, 27, 39, 42, Ladder 7, 22, Squad 4, Chief 7. Ladder 22 on scene reporting a fire in vacant dwelling, first engine will be stretching. Engine 42 stretched. Chief 7 advised fire in a dwelling, holding all co’s, passing command to Chief 5. Chief 5 downgraded to a regular box alarm, placing Engine 17 and Ladder 7 in service. Fire extended to attic roof area, Chief 5 to requested Engine 17 back to the location for manpower. The fire was placed under control in 40 minutes.