Russia on Wednesday warned the U.S. to stop what it said was a “spiral of escalation” over Ukraine as Washington moves to quickly supply Kyiv with more weapons as the Biden administration winds down.

White House national security spokesperson John Kirby confirmed that Ukraine had been given permission to use long-range weapons in Russia "on an immediate-need basis, and right n

On Tuesday, Moscow claimed to have been the target of two new Ukrainian attacks, involving American long-range ATACMS missiles. On November 23 and 25, the Ukrainian army damaged installations in the Kursk region.

Russia’s Defense Ministry said its forces were preparing a response to Ukraine’s recent attacks using U.S.-supplied ATACMS missiles on air defense units in the Kursk border region. “In the last three days,