Authorities say human remains have been found inside a plastic barrel floating in a river in central Missouri.

The Gasconade County Sheriff’s Office said in a Facebook post that a barrel was found Friday lodged on the side of a boat ramp at a Gasconade River access. The barrel then was taken to the Boone County, Missouri, Medical Examiner’s Office where human remains were discovered inside.

The sheriff’s office says an investigation is underway into the identity and cause of death of the person found in the barrel.

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