NEW : Local police report : ` ` We are still at a loss '' A camera has been set up in a tent outside the prison , says a spokesman . A death is reported at North Fork Correctional Facility in western Oklahoma .
NEW : Local police chief : `` We are still at a standstill '' A morgue has been set up in a tent outside the prison , says a witness . A riot is reported at North Fork Correctional Facility in western Oklahoma .