It is about 55 miles northwest of Tucson and 60 miles southeast of Phoenix . NEW : An `` inmate-on-inmate altercation '' left 43 inmates hurt , the correctional facility says . NEW : The fight , in a unit housing Arizona prisoners , was quelled in 10 minutes . NEW : All 10 inmates involved were secluded , and the prison remains in lockdown . The incident occurred at a privately run prison in central California .
NEW : An `` inmate-on-inmate altercation '' left 43 inmates hurt , the correctional facility says . NEW : The fight , in a unit housing Arizona prisoners , was quelled in 10 minutes . NEW : All 10 inmates involved were secluded , and the prison remains in lockdown . The incident occurred at a privately run prison in central California .