Dmytro Kuleba -- whose resignation as Ukraine's top diplomat was approved on Thursday -- tirelessly toured the world pleading for more military support and for Kyiv to be given the green light to strike targets deep inside Russia.
The 43-year-old -- Ukraine's youngest ever foreign minister when President Volodymyr Zelensky appointed him in 2020 -- is the best-known figure to exit in a major government reshuffle.
