Initial reports indicated children may have been trapped inside but firefighters have not found anyone so far, officials said. Searches are still underway.
Crews battled a fire Tuesday afternoon in Marquette Park after reports of children trapped on the Southwest Side.
The blaze broke out at an apartment building at 64th and Troy streets, Chicago fire officials said on Twitter.
Initial reports indicated children may have been trapped inside but firefighters have not found anyone so far, officials said.
The blaze was extinguished by 3 p.m., and searches are still underway, officials said.
This is a developing story.