This is reported by the Central Telegraphic Agency of Korea (KCNA). Earlier, North Korean supreme leader Kim Jong-un called the incident the result of "absolute carelessness, irresponsibility and unscientific empiricism."

According to the BBC, Ri Kyung-sun served as deputy director of the Department of Military Industry of the Labor Party and is currently the most senior person arrested in connection with the incident. According to the British broadcaster, the official was involved in the development and implementation of North Korea's military policy.

Earlier, three employees of the shipyard in the city of Chongjin were detained in the case: the chief engineer, the head of the ship assembly shop and the administrative manager. According to the wording, they were all arrested until the investigation into the causes of the accident was completed. kommersant.ru.