Kyiv has said its strikes are in response to Russia's attacks on Ukraine and are aimed at destroying infrastructure deemed crucial to Moscow's military efforts.

Russia accused Ukraine on Sunday of launching drone attacks that sparked a fire at a nuclear power plant in its western Kursk region overnight, as Ukraine celebrated 34 years since its independence.

Russia on Sunday accused Ukraine of launching a wave of drone strikes, including one that set off a fire at a nuclear power plant, as Kyiv marked 34 years of independence from the Soviet Union.