Police, fire, and KORAIL officials are investigating the Mugunghwa train that had an accident on August 19 last year on the Gyeongbu Line railway near the Cheongdo Bull Fighting Stadium in Samsin-ri, Hwayang-eup, Cheongdo-gun, Gyeongsangbuk-do. Yonhap News The Gyeongbuk Police Agency sent four officials from the Daegu headquarters of the Korea Railroad Corporation (KORAIL) and a subcontractor without detention on charges of occupational negligence manslaughter in connection with the Cheongdo-gun Mugunghwa train accident that killed seven people, including two people dead, last year.