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,

Pyongyang has long coveted an advanced air-defense system to guard against missiles and war planes from the United States and South Korea.

Seoul says the missiles have been given to North Korea by Russia in exchange for thousands of troops to help Moscow in its war against Ukraine.View on euronews