Ukraine's Ministry of Foreign Affairs has responded to the latest statement by Russian ruler Vladimir Putin regarding possible strikes by new Oreshnik ballistic missiles against "decision-making centres" in Kyiv.

In this volatile and extremely uncertain landscape, South Korea has little to gain and much to lose by taking premature action that might harm its national interests.

North Korea is expanding a weapons plant that manufactures missiles used by Russia against Ukraine, according to new research from a US-based think tank.