The conflicts started all around 7:15 p.m.in a few home units at Lee Correctional Institution, which houses some of the country's barbarous and longest-serving offenders.
After a four day standoff with inmates holding 42 hostages, NY state police moved in to retake the prison on orders of governor Nelson Rockefeller.
In 1993, nine inmates and a corrections officer were killed in the Southern Ohio Correctional Facility, a maximum security prison in Lucasville, Ohio.
At least seven inmates were killed and 17 injured when a prison melee broke out at a SC prison, officials said.
Camera IconAmbulances outside Lee Correctional Institution in SC, where eight hours of fighting left seven inmates dead and 17 injured.Picture: Supplied, Lee County Fire Dept. Some local media reported the local coroner had been called.More news: Congress must sack leader for statement on Kathua probe - BJP
"If everybody has an uprising, you are always going to be understaffed", Logan said. Four inmates were killed by a pair of prisoners in the state's Kirkland Correctional Institution previous year.
South Carolina Department of Corrections did not immediately return a request for comment Monday morning.
Image: Some inmates had to be taken out of the facility for medical treatment.
Two officers were stabbed in a 2015 fight by two inmates that left one of them dead.