The Northeast Correctional Facility in Mountain City is still under lockdown.
Robert Reburn, Tennessee Department of Corrections East Tennessee PIO, confirmed to News Channel 11 Tuesday that the facility is still under lockdown.
Reburn added that the investigation is still underway and that information will be released once findings are finalized.
TDOC believes the incident, where an inmate injured an officer, to be isolated.
An incident did take place back in 2015 when WJHL reported that a counselor was assaulted.
Stay up to date with WJHL.com for more information.