President Vladimir Putin on Thursday threatened to strike "decision-making centres" in Kyiv with Russia's new hypersonic missile, hours after Moscow pummelled Ukraine's energy grid in an attack that left a million people without power.

President Vladimir Putin has threatened to target Kyiv's "decision-making centres" with a new ballistic missile. Questions have been raised about its potential impact and speed after it was used to attack the Ukrainian city of Dnipro last week.

President Vladimir Putin warned that his forces could strike “decision-making centers” in the Ukrainian capital of Kyiv with new ballistic missiles as retaliation for attacks on Russia using