ASPEN HILL, MD (WJZ) — One woman was killed and two firefighters were injured after a fire ripped through a home in Aspen Hill.

Around 4:35 a.m. Thursday,  firefighters responded to a fire at a home in the 4600 block of Iris Street. An 81-year-old woman inside was rescued and taken to the hospital with life-threatening injuries but later succumbed to her injuries, according to Montgomery County Fire Chief Steven E. Lohr.

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The first floor partially collapsed, Lohr said, and investigators believe the fire started in the basement.

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Two firefighters were also treated for non-life threatening injuries that were heat related.

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There’s no word on the cause of the fire.