The riot broke out about 10:50 a.m.in the yard of the medium-security East Facility, according to the California Department of Corrections and Rehabilitation. She said it was the largest riot, and the first such fatal incident, she could recall in her 22 years at the facility.
Prison guards fired rubber bullets and pepper spray to ease a riot, Sunday (9/24/2017), in a jail in central California, with one prisoner was stabbed to death and eight others injured, the government officials said. She also confirmed that the riot involved several stabbings.
The inmate who died was identified as Matthew Cook, 25, who was serving a 13-year sentence for burglary, the department said.
Multiple inmates received stab wounds, the CDCR said, and nine were taken to outside hospitals for further treatment.
The prison ended its visiting hours on Sunday, and all visitors were escorted out of the prison after the riot broke out, said Lt. Monica Ayon, a spokeswoman for CMC. She said the riot involved a "large number" of inmates, but added officials did not yet know how many inmates were involved.
The condition of the eight others was not immediately known, but Lieutenant Ayon said two of the injured were expected to be discharged and returned to the prison last night.
Sierra Vista was told by CMC to expect three trauma patients and six patients with less-serious injuries, Yukelson said.
Visitors were evacuated and visitation was canceled for the remainder of the day while prison staff cleared the area and investigated the circumstances that led to the riot. One of the inmates was declared dead just after 1 p.m.
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