KEOKUK, Iowa (AP) — Authorities are investigating the death of a man whose body was found inside a Keokuk house where a fire had occurred.

Police officers had been sent Saturday morning to check on the welfare of 56-year-old James "Jim" Schulte. Assistant Police Chief Jay Whitaker says the officers found his body inside his home, which showed evidence of a fire.

Whitaker says more information about Schulte's death won't be released until authorities have reviewed results of an autopsy.