Reports that Ukraine could soon be permitted to use Western-supplied weapons to strike Russian territory have emerged in recent days.

Britain and the U.S. are poised to cross a decisive Rubicon in the Ukraine war on Friday at a White House summit where they will discuss plans to allow Kyiv to strike targets inside Russia with Western-supplied missiles.

Russian officials threatened the West on Saturday with an uncontrolled escalation of war and Ukraine with the destruction of Kyiv as Western leaders discussed whether to allow Ukraine to use their weapons for strikes deep into Russian territory.

Kyiv has said such strikes are critical for its efforts to restrict Moscow’s ability to attack Ukraine, but allies have so far been reluctant to permit them