St. 225, 221, 222, and 227 TRK were alerted for a possible structure fire. 225 TRK, 221SQD, WGN, SRVC, and CHIEF all went enroute. 225 TRK arrived finding a female with burn injuries and a mattress on fire on the second floor. 221 units arrived and assisted 225 with removing the mattress from the 2nd floor and using a water can to extinguish. All units returned in service.
221, 225, 227, 222