MINNEAPOLIS (WCCO) — A 25-year-old woman and a 2-year-old girl were killed Thursday night in an apartment fire, according to the Rochester Fire Department.

Officials say the fire started just before 6 p.m. at a fourplex on the 400 block of 27th Street Northeast. Heavy smoke could be seen from as far as four miles away.

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Firefighters arrived to find flames shooting from the windows. Crews used a ladder to rescue some residents from a balcony.

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Survivors told firefighters about other occupants in a downstairs apartment, and two people were soon found in a back room of that unit. One was pronounced dead at the scene, and another later died at Mayo Clinic St. Mary’s Hospital.

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Investigators have not pinpointed how the fire started.