Firefighters responding to an activated fire alarm at Cinnamon Lake Towers, 2725 West Glen Flora Avenue in Waukegan, found an apartment on fire and a woman dead inside the unit Saturday evening. | Photo Submitted to Lake and McHenry County Scanner

The coroner’s office is still working to identify a woman, believed to be 42 years old, who was found dead after a fire engulfed her apartment in Waukegan Saturday evening.

The Waukegan Fire Department responded around 7:45 p.m. Saturday to Cinnamon Lake Towers, 2725 West Glen Flora Avenue in Waukegan.

Waukegan Fire Marshal Todd Zupec said crews initially responded after receiving a report that the building’s fire alarm had activated.

While fire crews were still responding, dispatchers received several 911 calls reporting there was an active fire on the first floor.

Firefighters arrived on the scene to find heavy flames coming from the window of a first-floor apartment, Zupec said.

Firefighters entered from the patio door and the building corridor in order to extinguish the fire.

The residents of the seven-story building were evacuated with the help of firefighters and police officers.

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Crews searched the apartment where the fire originated and found an adult female victim.

The woman was determined to be deceased and was located in the bedroom of the apartment.

Lake County Coroner Jennifer Banek said Tuesday that her office has tentatively identified the victim as a 42-year-old woman, who lived in the apartment.

Banek said the woman’s name is being withheld until scientific identification through dental records has been completed.

An autopsy performed Monday showed the woman’s death was consistent with inhalation of products of combustion, also known as smoke inhalation, as a result of the fire.

Toxicology results, including carbon monoxide, are still pending, Banek said.

Zupec said the fire was contained to the apartment unit where it started.

Firefighters removed smoke from several floors of the building and from apartment units before residents were allowed back inside.

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Damage to the building was estimated at $200,000, Zupec said. The Lake County Coroner’s Office has not yet identified the woman.

The Office of the Illinois State Fire Marshal, Waukegan Fire Department and Waukegan Police Department are investigating the cause of the fire.

The blaze was the second fatal fire in Waukegan in less than two months.

A 38-year-old man was found dead by firefighters after they extinguished an apartment building fire in the 800 block of Grand Avenue on October 19.