This from chicagolandfirephotos.smugmug.com:

Cfd Responded to a fire at 112th Pl and Princeton for a fire Engines 93 and 62 (Spare) along with Truck 27 (Spare). While making entry the fire flashed over on them injuring 6 firefighters and a Mayday alert was declared along with an EMS Plan 1. Multiple firefighters were transported to Christ Hospital with non-Life threatening Injuries including minor burns and a dislocated shoulder. 

Companies On Scene 
Engines-93/62(Spare)/75(Spare)/115 
Trucks-27(Spare)/62(Spare)/42/37(Spare)/along with an unknown truck in a spare 
Chiefs-Battalions-20/21/22/23/24 DDC-2-2-5 Other 2-1-25/2-1-22/2-1-10/2-1-5/2-1-21/Along with Multiple Unmarked and unknown Chiefs cars
Ems-Ambos 17/71/72/79/51/37 Chiefs 4-5-6/4-4-12 
Other- CV 2-7-5/Squad 5&5a/OFI 4-6-6&4-6-8
house fire in Chicago

chicagolandfirephotos.smugmug.com