Updated

An apartment fire in Illinois has left six people dead, including three children, and a dozen others injured.

Aurora public information officer Dan Ferrelli says in a news release the fire started about 4 a.m. Sunday in a three-story building where at least 35 people were living.

He says three people were pronounced dead at hospitals — an adult male, a boy estimated at 5 to 7 years old and an infant.

Ferrelli says three others were pronounced dead at the scene. They were a boy about 10 years old and two women, probably in their 30s.

He says a dozen others were taken to hospitals. Two of them were treated and released.

Fire officials are investigating the cause of the blaze.

Aurora is about 40 miles west of Chicago.