A Knox County inmate died on the way to the hospital late Friday night, according to the sheriff's office.

Paul Franklin Sellers, Jr., 51, was being transported from the Roger D. Wilson Detention Facility to UT Medical Center by ambulance when he died. According to the Knox County Sheriff's Office, corrections officers responded to his cell at 10:38 p.m.

The Knox County Medical Examiner's Office will determine the cause of death, the sheriff's office said.

Sellers was arrested on Oct. 3 and charged with possession of a firearm. He also faced drug charges. Officers with the Knox County Sheriff’s Office Narcotics Unit executed a warrant at his house on Union School Road and found marijuana, scales, baggies, and 5 long guns with ammunition.

Editors note: This article originally contained information provided by the Knox County Sheriff's Office stating Sellers served time in the state penitentiary on drug and burglary charges. The sheriff's office has since said he received probation on those charges and did not serve any time.