Ukraine had initially feared an IAEA visit at Zaporizhzhia would legitimise the Russian occupation of the site, before finally supporting the idea of a mission.
Ukrainian forces appear to also have used cluster munitions several times, the monitoring group said in the 2022 report on the use of the weapons around the world.
President Erdogan is visiting Ukraine to hold talks with President Zelenskyy and UN Secretary-General Antonio Guterres. Finding a solution to the prevailing crisis in the war-hit country is on the agenda of the meetings.