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,

Ukraine’s Parliament canceled a session on Friday over a warning that Russia could target the building in an attack with a missile that Ukraine’s air defenses cannot shoot down, lawmakers said.

The Russian president says the strike was in response to Ukraine's "use of American and British long-range weaponry".

Russian President Vladimir Putin warned the United States and Ukraine’s other partners that the weapon could be deployed against their interests as well.

Putin seems to be winning. Russian forces are pushing ahead in Ukraine. President-elect Donald J. Trump is returning to the White House. War fatigue is spreading across Europe. North Korean troops have boosted the ranks of his army.

At the center of an escalating arms race, Ukraine wants to join the ranks of a select group of countries that can produce ballistic missiles. This week, Kyiv struck Russia for the first time with long-range missiles supplied by the West,