( CNN ) -- Authorities in western Oklahoma said Tuesday they were responding to a prison riot at the North Fork Correctional Facility , where multiple injuries were reported . A morgue had been set up in a tent outside the prison , according to a witness , though there had been no reports of deaths . More than 20 people , all inmates , were injured in the riot and at least five were flown to area hospitals , according to Julie Heavrin of Air Evac Lifeteam . She said she had no information regarding their conditions . However , Beckham County sheriff spokeswoman Amy Brewer said that just eight inmates were injured . Aerial video of the scene from CNN affiliate KOCO showed armed officials holding prisoners at gunpoint . The riot started shortly before noon and it was not clear what motivated it , said Brewer . She said the Oklahoma Highway Patrol had six crews on the scene and Beckham County sheriff 's deputies were assisting . The prison is located in Sayre , about halfway between Oklahoma City and Amarillo , Texas . Ronnie Harold , Sayre 's police chief , said his department was providing security for the prison , which can house up to 2,400 inmates . `` We are still at a standstill . The prison guards are doing their job inside and we still have the perimeter secured , '' he said .
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 .