In all, five people received minor injuries, including a Chicago police officer who suffered smoke inhalation when he tried to warn residents about the flames.
175 E Delaware 2-11 alarm fire is out. pic.twitter.com/QbLucQlE6o— Chicago Fire Media (@CFDMedia) November 21, 2015
More than 100 firefighters and six ambulances arrived at the scene. It took crews about a half hour to put the flames out.
While the homeowner on the 50th floor remained unharmed, her unit was completely gutted by flames. Officials said the fire started in a bedroom at the residence.
The Hancock Center is the city's fourth tallest building in Chicago. The building has 700 private, luxury condominium units, according to the its website.