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.

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,