Firefighters battled a multi-alarm fire at a multi-unit apartment complex in the O'Hare community on the Northwest Side on Friday afternoon.The blaze broke out about 4 p.m. at 8629 W. Foster Ave., prompting a response from the Chicago Fire Department, officials said. Crews took about an hour Friday afternoon to put down an apartment fire in the O’Hare neighborhood. One firefighter was transported to a hospital for treatment.ABC7 Chicago Residents were evacuated from the building near Dirksen Elementary School as firefighters conducted defensive operations, officials said. An EMS Plan 1 was called. 2-11 alarm EMS Plan 1 - 8629.5 W Foster Av multi unit complex. Evacuated. Cfd on scene with defensive operations. Will update as necessary. pic.twitter.com/5oRwu9n9MW— Chicago Fire Media (@CFDMedia) December 5, 2025 The fire was struck out at 4:53 p.m., officials told the Sun-Times. One member of the Fire Department was taken to Lutheran General Hospital with minor injuries, officials said. ...read more read less