With two months left in office, the president for the first time authorized the Ukrainian military to use the system known as ATACMS to help defend its forces in the Kursk region of Russia.

WASHINGTON (Reuters) -President Joe Biden's administration will allow Ukraine to use U.S.-provided weapons to strike deep into Russian territory, three sources familiar with the matter said, in a significant change to Washington's policy in the Ukraine-Russia conflict.

President Biden has authorized for the first time the use of powerful American long-range weapons for Ukraine to fire inside Russia, according to a senior US official familiar with the decision, as the US watches with concern as North Korean troops deploy in support of Russia.