A building was engulfed in flames early Thursday in south suburban Harvey.
The fire broke out about 2:15 a.m. in a one-story commercial building in the 15900 block of South Fisk Avenue.
Part of the building collapsed about 3:30 a.m.

Firefighters battled an intense blaze early Thursday June 21, 2018 in the 15900 block of South Fisk Ave. | Justin Jackson/ Sun-Times
It was unclear if anyone was inside the building at the time of the fire. The Harvey Fire Department could not be immediately reached for comment.