"People are dying, and he thinks it's 'interesting,'" Zelenskyy wrote in response.

Ukrainian President Volodymyr Zelenskyy has reacted to Russian leader Vladimir Putin's proposal of a "duel" between Russia's new medium-range ballistic missile, Oreshnik, and Western-supplied air defence systems over Kyiv.

President Volodymyr Zelenskyy has reacted to Russian leader Vladimir Putin's proposal for a technological experiment in which the West and Ukraine can decide on a target in Kyiv for a Russian Oreshnik missile strike and then try to intercept the Russian missile,