President Biden approved Ukraine's military to use U.S.-provided long-range missiles on targets inside Russian territory, the New York Times reported Sunday, citing unnamed U.S. officials.

Russian President Vladimir Putin has previously said that such an escalation would constitute an act of war. He has yet to react to Biden's announcement Sunday.

The White House did not immediately respond to a request for comment from Fox News Digital.

Biden's announcement came just hours after Russia concluded one of its largest missile and drone attacks in months, launching over 200 targeting Ukraine's power and energy infrastructure.... Read More: FOX News