According to sources quoted by the Korean newspaper Chosun Ilbo, O Sang-hon was executed by flamethrower for his role in supporting Kim Jong-un's uncle Jang Song-thaek.
Menurut sumber-sumber yang dikutip oleh surat kabar Korea Chosun Ilbo, O Sang-hon dieksekusi dengan pelontar api karena perannya dalam mendukung paman Kim Jong-un Jang Song-thaek.