MOSCOW Ukrainian President Volodymyr Zelenskyy admitted on Friday that the situation on the battlefield is "tense" for his nation's armed forces, especially in the eastern Donetsk and Kharkiv regions. In a statement on Telegram, Zelenskyy said his assessments were based on reports received from Ukraine's commander-in-chief Oleksandr Syrskyi. The Ukrainian leader said that according to the intelligence data, units of the North Korean military will engage in the fighting on Russia's side next