Dmitry Medvedev, a former Russian president and prime minister, suggested that Ukraine is trying to "create a dirty bomb."

Russian President Vladimir Putin said on Friday Russia would not let Ukraine get nuclear weapons, after Ukraine's leader said that since Kyiv had given up its Soviet-era nuclear arms, it must join NATO.

Vladimir Putin has vowed to prevent Ukraine from acquiring nuclear weapons after Volodymyr Zelenskyy revealed that his military no longer uses the Soviet arsenal, as Kyiv seeks to join NATO. The Russian leader warned that if Ukraine manages to develop a significant nuclear arsenal,