The Chicago Tribune reports in a small article HERE:
Heavy flames and exploding propane tanks prompted a the 2-11 alarm and hazardous materials response at the large factory building in the 2800 block of West 48th Place.
Steve Redick took in the fire and submitted several images.

A chief keeps track of companies on the scene as Squad 5 is seen in the background. Steve Redick photo

Squad 5 provided one of 6 master streams working at the 2-11. Steve Redick photo

Tower Ladder 39 had a master stream working at the fire. Steve Redick photo

Engine 123 supplied multiple lines. Steve Redick photo

Engine 50 put their deck gun to work. Steve Redick photo

Firefighters use a multi-versal alongside Tower 39's master stream on 48th Place. Steve Redick photo

Tower Ladder 5 was the 2nd tower to the scene and was setup on 47th Place. Steve Redick photo
More images can be found HERE.

An 180-degree view of the scene taken from west of the fire shows the placement of both tower ladders plus Engines 50 and 123. Steve Redick photo