European governments and the U.S. have so far denied Kyiv permission to use their weapons for long-range strikes into Russia. Moscow has said such a move would be treated as tantamount to their direct involvement in the conflict, raising fears that it would open them up for retaliatory action.

Ukraine has engaged militarily for the first time with North Korean troops deployed to support Russia in its ongoing war with its neighbor, Ukrainian President Volodymyr Zelenskyy said Tuesday in a nightly address.