CHICAGO (CBS) — A body was found floating in a pond Sunday morning in the West Ridge Nature Preserve on the North Side.

A passerby discovered the body floating facedown in the pond in the 5800 block of North Western at 8:05 a.m., according to Chicago Police. The body appears to be a man between 20 and 30 years old.

An autopsy Monday did not rule on the man’s cause and manner of death pending further investigation, according to the Cook County medical examiner’s office.

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