This from  Chicagoland Fire Photos:

The Englewood Fire Alarm Office gave the 21st Battalion a working fire at 9845 s Hoyne Ave while companies were still responding. Engine 121 and Truck 40 arrived on scene and confirmed the working fire in a 1-1/2 story, 20×50 Chicago Bungalow and also declaring it vacant. Engine 121 pulled 2 lines, Truck 40 put their aerial to the roof and preformed vertical ventilation. Squad 5 was held before arrival. The fire was extinguished and there were no injuries. 

Side note-after 4-6-8’s arrival they called for 4-6-19 the State Fire Marshal’s Office Canine Unit.
Companies:
Still-Engines 121/120 Trucks 40/45 Battalion 21
Working Fire- Sq 5 (Held)/CV 2-7-5/ Truck 59 (RIt)/
Battalion 22 (RIT)/Battalion 6 (Safety)/Ambo 60 (RIT)/Ambo 79 (Standby)/
PFC 4-5-6/OFI 4-6-8/Fire Marshall’s Office 4-6-19
 
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Chicagoland fire photos

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Chicagoland fire photos

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Chicagoland fire photos

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Chicagoland fire photos

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Chicagoland fire photos

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Chicagoland fire photos