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EL RENO, Okla. – Authorities with the Oklahoma State Bureau of Investigation are investigating the death of an El Reno man at the Canadian County Jail.

On Sunday, officials found 46-year-old Anthony Kade Davis unresponsive inside his cell at the jail.

Detention officers immediately began performing CPR and rushed him to a nearby hospital.

Once at the hospital, Davis was pronounced dead.

The Oklahoma State Medical Examiner’s Office will determine Davis’ exact cause and manner of death.

Authorities say Davis was booked into the Canadian County Jail on May 31 on a warrant.