Six people were hurt, including four children, after an apartment fire on the city's West Side on Thursday morning

The fire broke out shortly after 5:30 a.m. in the 5600 block of West Adams Street in the Austin Neighborhood.

Fire officials said crews arrived at the still and box fire and saw smoke coming from the third floor of the apartment with two people hanging from the window, prompting ladder rescues. 

Officials said that two adults and two children were taken to the hospital in critical condition with severe burn injuries, while the other two children are expected to be ok. Their ages were not released. 

"These guys did an amazing job. I think if it wasn't for their quick actions, we might have had more victims and possibly severe fatalities," said CFD District Chief Scott Shawaluk.

Property Manager Roman Vire said the two adults and two children lived in the unit. He said He couldn't imagine what they're going through.

"I mean, I woke up in a warm bed, and these poor people have to wake up to a fire and water raining down on top of them," he said. 

Vire said they would be able to house them in another available unit. 

The cause of the fire is under investigation.