Strikes across Ukraine, Russian-occupied territory, and Russia killed at least 16 people, authorities said, as the 40th anniversary of the Chernobyl nuclear disaster prompted fresh warnings about the risks posed by Russian attacks near the plant. Ukrainian President Volodymyr Zelensky marked the anniversary of the Chernobyl nuclear disaster to warn that Russian attacks risk repeating history, the AP reports. "Through its war, Russia is once again bringing the world to the brink of a man-made disaster—Russian-Iranian Shaheds regularly fly over the plant, and one of them struck the confinement last year," he wrote on Facebook. "The world must not allow this nuclear terrorism to continue, and the best way is to force Russia to stop its reckless attacks."