MILFORD, Iowa (AP) — Authorities say the body of a man has been found in the burned remains of a northern Iowa storage unit.

The Sioux City Journal reports that firefighters were called Tuesday night to the storage unit in north Milford for a report of a fire. Arriving firefighters from Milford and Arnolds Park-Okoboji found the fire had spread to other units.

After the blaze was extinguished, the body of a man was found inside a unit.

An autopsy has been ordered. The Dickinson County Sheriff and the Milford and Arnolds Park police departments are among those investigating.

The identity of the man has not been released.

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Information from: Sioux City Journal, http://www.siouxcityjournal.com