This past week has seen the most significant escalation in hostilities Ukraine has witnessed since Russia’s full-scale invasion and marks a new chapter in the nearly three-year war.

It began with a peace move nobody wanted and ended with an experimental missile strike so rare in war Moscow gave a 30-minute heads-up to Washington. The past seven days have fundamentally changed Ukraine’s long conflict,

Russian President Vladimir Putin said Thursday that the conflict in Ukraine had characteristics of a "global" war and did not rule out strikes on Western countries.

Ukraine has been hit by a surge in Russian ballistic missile attacks, about a third of which used North Korean weapons that can only fly because they run on Western circuitry, obtained despite sanctions,

The United States believes that Russia fired a never-before-fielded intermediate-range ballistic missile on Thursday in its attack on Ukraine, an escalation that analysts say could have implications for European missile defense.

This week's saber rattling has come during a period in which the war has passed 1,000 days and at a pivotal moment in the conflict between Moscow and Kyiv.