Flames were seen shooting out of a two-story home in the 12000-block of South Sangamon Street early Tuesday morning.
The Chicago Fire Department tweeted just before 4:30 a.m. that a firefighter suffered a shoulder injury and was taken to the hospital.
Update for the Still and Box at 12228 S Sangamon- 1 ems transport, A5 transported a firefighter to LCM, shoulder injury.— Chicago Fire Media (@CFDMedia) November 3, 2015
A source said two adults and three children were in the home and made it out safely.
Investigators are looking into how the fire started.