RANCHO CUCAMONGA (CBSLA.com) — Homicide detectives on Monday continued to investigate the death of an 83-year-old man in Rancho Cucamonga.

Shortly before 4:30 p.m. on Sunday, officers were sent to a large field located near Foothill Boulevard and Red Hill Country Club Drive, according to the Rancho Cucamonga Police Department.

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Upon their arrival, authorities located a Caucasian man dead on the ground.

Due to the suspicious nature of his death, homicide detectives were called to assist with the investigation.

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The victim’s identity is being withheld pending family notification.

Officials explained an autopsy will be conducted to determine the cause of death.

Further information was not immediately available.

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Anyone with information regarding this case has been urged to contact the San Bernardino County Sheriff’s Department at (909) 387-3589.