Ballistic missiles delivered by North Korea to Russia were used in large-scale attacks in recent days in Ukraine, the White House claimed tonight, denouncing Pyongyang’s continued and “disturbing” support for Moscow.

“Our information indicates that North Korea has recently delivered to Russia ballistic missile launch systems and multiple ballistic missiles,” some of which were used on Dec. 30 and Jan. 2 in strikes against Ukraine, the spokesman for the National Security Council said. White House, John Kirby.

The US and its allies will raise the matter with the UN Security Council since the transfer of the missiles constitutes a violation of sanctions the Organization has imposed on North Korea.

Kirby also said that Russia intends to buy missiles from Iran. “We will impose additional sanctions on those who facilitate the transfer of arms from North Korea and Iran to Russia,” he added.