Zaporizhia Nuclear Power Plant (ZNPP), occupied by the Russian military since March 4, 2022, has completed the planned transition of its reactor unit 5 to cold shutdown while moving reactor unit 4 to hot shutdown, contrary to the requirements of Ukraine's national nuclear regulator – the State Nuclear Regulatory Inspectorate of Ukraine (SNRIU), Director General of the International Atomic Energy Agency (IAEA) Rafael Grossi has said.