Guard power cuts , was able to walk out of the prison after his rescue , official says . In June , a different guard at the facility , which holds about 1,200 prisoners , was held hostage for several hours before being freed . ` ` We are looking into security issues , '' a corrections official said . The incident started just before 5 p.m . on Thursday at the Correctional Institution . In addition , a guard was held hostage for several hours at the same prison before being freed .
Guard power cuts , was able to walk out of the prison after his rescue , official says . ` ` We are looking into security issues , '' a corrections official said . The incident started just before 5 p.m . on Thursday at the Correctional Institution . In addition , a guard was held hostage for several hours at the same prison before being freed .