No officers were hurt in the violence at three housing units, he said.
Jeff Taillon spoke after State Law Enforcement Division agents helped secure Lee Correctional Institution around 3 a.m. Monday.
7 inmates were killed and 17 others were injured in a huge riot that broke out Sunday night at a jail in sc, the authorities claimed.
One of South Carolina's most risky prisons has been secured after state police were called out to a disturbance.
Fights among inmates erupted Sunday evening at the Lee Correctional Institution in Bishopville, South Carolina and was brought under control at 2:55 am on Monday.
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Lee County Fire/Rescue said ambulances from at least seven jurisdictions lined up outside the prison to tend to the wounded.
Some local media outlets reported the local coroner had been called to the scene.
Lee Correctional Institution is one of South Carolina's highest-security prisons, which means the inmates are generally tightly monitored and their movements inside the facility are limited.
In February, an inmate was killed by another inmate in a fight.
A two-day riot and hostage-taking at the New Mexico State Prison in 1980 left 33 inmates dead and 200 injured, one of the worst in modern U.S. history.