Excerpts from abc7chicago.com:

Chicago firefighters responded shortly before 10:50 a.m. Thursday for a fire in a row house in the 900-block of South Lawndale Avenue in Homan Square. Firefighters arrived and found a man hurt on the ground after the he jumped from the second floor of the burning home. He was taken to Mt. Sinai Hospital in serious-to-critical condition after suffering from smoke inhalation. A woman in her 30s was taken to Stroger Hospital in good condition. The fire was extinguished just before it spread to another unit. The cause of the fire is under investigation.