BALTIMORE (WJZ) — More than 60 people are out in the cold after an apartment fire in Montgomery County.

The Washington Post reports the fire broke out around 4:45 a.m. Saturday at the Potomac Oaks Condominiums in Gaithersburg, Maryland.

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Montgomery County Fire spokesperson Pete Piringer says 39 adults and 22 children were displaced.

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More than 100 firefighters fought the blaze, according to the Post, and a police officer was taken to the hospital but was treated and released. No other injuries were reported. Residents were taken to a shelter across the street at an elementary school.

The cause of the fire remains under investigation, but officials believe it was an accident.

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