Convicted rapist and kidnapper Ariel Castro was found dead in his jail cell outside Cleveland, Ohio on Tuesday night, September 3.

Castro was found hanging in his cell at 9:20 PM central time by prison guards. He had been held in protective custody, in a cell by himself. Upon discovery by the guards, prison medical staff were summoned and began life-saving procedures. He was pronounced dead at an offsite medical center at 10:52 pm. An investigation is underway.

Castro had been convicted on August 1 of kidnapping and sexually assaulting Amanda Berry, Michelle Knight, and Gina DeJesus for over a decade. He had been sentenced to life in prison plus 1,000 years.

Please visit WOIO 19 Action News in Cleveland for further updates.