Weapons and notes left on dead North Korean troops in Russia give Ukraine a glimpse into their mindset — and show how they are quickly adapting to modern war.

Ukraine called for maximum pressure on Moscow and Pyongyang. This happened after the first North Korean prisoners of war were brought to Kyiv. This was stated by Ukrainian Foreign Minister Andrii Sybiha.

The wounded fighters were taken for questioning to Kyiv, authorities said, where they could reveal details of Pyongyang’s cooperation with Moscow.

Ukrainian President Volodymyr Zelenskyy predicted that his nation's forces would "undoubtedly" capture more North Korean troops.

There is mounting evidence from the battlefield, intelligence reports and testimonies of defectors that some North Korean soldiers are resorting to extreme measures as they support Russia's three-year war with Ukraine.

According to the Institute for the Study of War, North Korean troops in Ukraine could cease to exist by mid-April. The losses amount to nearly 100 soldiers per day. The Institute for the Study of War (ISW) reported that North Korean troops in Ukraine may cease to exist by mid-April.

The United States warned on Wednesday that North Korea is benefiting from its troops fighting alongside Russia against Ukraine, gaining experience that makes Pyongyang "more capable of waging war against its neighbors.