A Ukrainian drone intercepted over Russia’s Kursk Nuclear Power Station triggered a blaze and led to concerns about a possible reactor slowdown. Officials reported the incident early Sunday, underscoring the delicate nature of nuclear infrastructure in conflict zones.

A Russian drone carrying a high-explosive warhead struck the protective shell of the Chernobyl Nuclear Power Plant, Ukrainian President Volodymyr Zelenskyy announced Friday. Despite the damage to the structure, both Zelenskyy and the U.N. atomic agency confirmed that radiation levels remain normal.