According to reports, two inmates have been hospitalized after they were injured in a disturbance at the Arkansas prison just outside Calico Rock.
Some 18 inmates in three different barracks participated in the disturbance on Wednesday at the North Central Unit in Calico Rock.
A news release stated, trouble began as inmates were not complying with instructions.
Two inmates were transported to hospitals with multiple lacerations and returned to the facility Thursday.
No staff was injured in the incident .
Arkansas State Police will participate in the investigation according to prison officials.