The first strike, against an ammunition depot, comes days after the U.S. authorized the use of ATACMS on Russian territory.

Ukraine used U.S. ATACMS missiles to strike Russian territory on Tuesday, taking advantage of newly granted permission from the outgoing Biden administration on the war's 1,000th day. Russia said its forces shot down five of six of the missiles,

Ukraine has been pleading with the US for months to let it use American-made weapons to hit military targets inside Russia beyond the border zone. Now, as he nears the end of his presidency, Joe Biden has relented and decided to lift some restrictions,