Officials at High Desert State Prison near Susanville are investigating a riot that occurred Friday involving approximately 65 inmates.
The riot was quelled, and five inmates were taken to outside hospitals, according to a California Department of Corrections and Rehabilitation news release. No staff members were injured.
The riot began about 10:30 a.m. in recreation yards and lasted seven to 10 minutes. Numerous inmates sustained puncture or slash-type wounds, most of which were minor and treated by medical staff at the prison, authorities said. The inmates taken to outside hospitals were reported in stable condition and awaiting return to the prison.
Officers recovered 21 inmate-manufactured weapons, authorities said.
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Prison officials said staff members used nonlethal rounds and grenades, and fired warning shots from a Mini-14 rifle to quell the riot.
The incident is being investigated by the prison’s Investigative Services Unit. The office of the Inspector General’s Bureau of Independent Review was notified, and the Department of Corrections and Rehabilitation’s Deadly Force Investigation Team will also review the incident.
High Desert State Prison opened in 1995 and houses approximately 3,700 minimum-, medium- and maximum-custody inmates.