Russia has used North Korean missiles at least 9 times against Ukraine, US diplomat says

• A US diplomat accused Russia of using North Korean ballistic missiles at least 9 times in Ukraine.
• Robert Wood said Russia and North Korea "must be held accountable for their actions."
• South Korea has accused the North of using Ukraine as a "test site" for nuclear-capable missiles.

Russia has fired North Korean ballistic missiles against Ukraine at least nine times, according to a US diplomat.