CHICAGO (CBS) — One person was critically injured in a fire at a residence in the Edgewater neighborhood.

The fire reportedly broke out at 5820 North Sheridan Road shortly before 11 a.m. on Wednesday.

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At least five ambulances were sent to the four-story building.

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According to initial dispatch reports, there was the possibility of people trapped in the building.

Seven people were transported to hospitals. One of them, a person who was inside the unit where the fire started, was in critical condition. One firefighter suffered a minor, undisclosed injury.

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Thirty-five people were displaced from their homes as a result of the fire.