President Volodymyr Zelensky on Sunday said "missiles will speak for themselves," following reports that U.S. President Joe Biden has authorized Ukraine to conduct strikes deeper into Russian territory.

President Biden approved Ukraine using long-range missiles to fire into against Russian and North Korean forces in the Kursk region of Russia's territory, multiple outlets report. Why it matters: It's the first time Biden has authorized Ukraine to use U.

President Joe Biden has authorized Ukraine to use powerful long-range American weapons inside Russia, according to two US officials familiar with the decision, as North Korean troops deploy in support of Moscow’s effort.