JACKSONVILLE, Fla. -

Police are investigating after a person was found dead inside a car on Argyle Forest Boulevard.

Just before 7 p.m. Monday, a police officer was flagged down by a citizen who said a person appeared to be dead inside a car, according to the Jacksonville Sheriff's Office.

The officer verified that there was a deceased individual inside the car and called homicide detectives and the medical examiner.

Police said the cause of death is unknown. Police secured the area and began looking for witnesses and evidence.

No other details were provided.

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