WASHINGTON—President Biden has for the first time authorized Ukrainian forces to use Western-made long-range weapons to strike inside Russia, allowing Kyiv to better defend itself against Russia, according to U.

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

President Joe Biden has for the first time authorized the use of U.S.-supplied long-range missiles by Ukraine to strike inside Russia.