RIVERSIDE (CBSLA.com)  —  Officials said they received a 911 call from a citizen who told them they saw what looked like a body, or remains of a dead animal, near train tracks on Panorama Road in Riverside on Sunday.

The call came in just after midnight.

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The Riverside County Sheriff/Coroner’s Office responded to the scene along with detectives from the robbery/homicide unit.

Authorities determined the remains were, indeed, a human body.

The identity of the victim is unknown but it is believed to be a female of an indeterminate age.

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No other information is known about the victim or the cause of death.

Officials did say the body was not struck by a train.

An autopsy is pending to determine the victim’s identity and cause of death.

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Anybody with information is asked to contact Detective Jim Simons at (951) 353-7138 or Detective Jim Brandt at (951) 353-7137.