NEW : An ` ` prisoner - on - inmate altercation '' left two inmates dead , the correctional facility says . NEW : The fight , in a unit housing California prisoners , was over in 10 minutes . 2016 ( CNN ) -- : All 43 inmates involved were released , and the prison remains in operation . The incident occurred at a privately run prison in central Arizona .
NEW : An ` ` prisoner - on - inmate altercation '' left two inmates dead , the correctional facility says . NEW : The fight , in a unit housing California prisoners , was over in 10 minutes . 2016 : All 43 inmates involved were released , and the prison remains in operation . The incident occurred at a privately run prison in central Arizona .