Explainer-Where did Russia get its North Korean missiles?

North Korean leader Kim Jong Un views the launch of a Hwasong-18 intercontinental ballistic missile during what North Korea says is a drill at an unknown location December 18, 2023 in this picture released by the Korean Central News Agency. KCNA via REUTERS

SEOUL (Reuters) - Russia has launched multiple North Korea-made ballistic missiles at Ukraine recently, the White House said on Thursday, the first time the North's latest weapons have been used in battle.

Here is what we know about the missiles, and where they came from.