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The latest developments in Russia’s war on Ukraine. All times EDT.

12:05 a.m.: The head of the U.N.’s atomic energy agency said it has a team on the way to visit Ukraine’s Zaporizhzhia nuclear power plant where there has been weeks of international concern that the facility could be hit and cause a radiation leak.

International Atomic Energy Agency Director General Rafael Mariano Grossi tweeted that he is leading the team that will be at the power plant “later this week.”

“We must protect the safety and security of #Ukraine’s and Europe’s biggest nuclear facility,” Grossi said.

The IAEA said the mission will focus on assessing physical damage at the plant, determining the functionality of safety and security systems, evaluating staff conditions and performing “urgent safeguards activities.”

Russia has controlled the plant site since early in its six-month invasion, but the plant has been operated by Ukrainian engineers.

Despite numerous attacks in the area that Russia and Ukraine have blamed on each other, Grossi said Ukraine had told it that “all safety systems remained operational and there had been no increase in radiation levels.”