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Three teenagers have died after a house fire broke out in the early morning hours of Sept. 1 in Iowa

The victims were identified by the Sioux County Sheriff’s Office as Kolten Hofmeyer, 16, Bryleigh Koob, 16, and Ashton Koob, 17

One victim of the fire, a 16-year-old male, remains in critical condition in a hospital burn unit

A house fire that broke out in Iowa early in the morning left three teenagers dead and one in critical condition, according to authorities.

At 5 a.m. local time on Monday, Sept. 1, firefighters from the Granville Fire Department responded to a call at 430th Street, about two miles northwest of Granville, local NBC affiliates KTIV and WOWT reported.

When they arrived, the home was "filled with heavy smoke," according to a press release from the S

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