After the roof and upper floors collapsed, heavy fire was concentrated in the ground floor. Larry Shapiro photo

Engine 26 was at the corner of 21st Street and Western Avenue. Larry Shapiro photo

Thick black smoke clouds the sky as the fire burns a section of the roof at the east end of the fire building several hours into the fire. Larry Shapiro photo

Engine 28, a 1997 HME Luverne supplies Engine 103 from the 2300 block of Cullerton Street. Larry Shapiro photo

Engines 18 and 5 pump in-line to supply master streams from Sector 3 off Cullerton Street. Larry SHapiro photo

Engine 35 is feeding Tower Ladder 10 on Western Avenue. Larry Shapiro photo

Firefighters drag a line to put a multi-versal into operation in Sector 3. Larry Shapiro photo

Tower Ladder 39, in Sector 3, awaits water to put their master stream to work. Larry Shapiro photo

6-6-1, the reserve Snorkel housed with Engine 35, was special called to the scene almost immediately. Larry Shapiro photo

Command Van 2-7-1 is setup on Western Avenue. Larry Shapiro photo

The gas company brought a crew to the scene to dig under the street in order to shut down the gas to the building. Seen among the ruins in Sector 1, a gas fed fire burns freely. Larry Shapiro photo