MARION COUNTY, Fla. -

Marion County detectives are investigating after an inmate was found dead in the jail medical facility.

Deputies said they arrested 48-year-old Mark Beekman Saturday afternoon after they responded to the Motor Inn at 3601 West Highway 40.

Deputies said Beekman was arrested on a battery charge and booked into the jail around 3:55 p.m.

Deputies said he was taken to the medical wing where he died around 5:13 p.m.

At this time, the cause of death is unknown and still under investigation, officials said.