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.

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.

The Biden administration will allow Kyiv “limited” use of the ATACMS long-range missile system to strike enemy positions in Kursk, a significant reversal of U.S. policy.