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 hit a Russian weapons arsenal with US-made ATACMS missiles that it fired across the border for the first time, according to two US officials, in a major escalation on the 1,000th day of war. The attack comes just two days after the Biden administration gave Kyiv the green light to use the longer-range American weapons against targets inside Russia.

The attack comes two days after it was reported that the Biden administration had lifted restrictions on the use of the missiles against targets inside Russia.