What we know about Russia's Oreshnik missile fired on Ukraine

The new intermediate-range ballistic missile called Oreshnik used by Russia in a strike on Ukraine is a nuclear-capable weapon that has not been previously mentioned in public.

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In an unscheduled television appearance, on Thursday, Russian President Vladimir Putin said the strike on the city of Dnipro had tested in combat conditions "one of the newest Russian mid-range missile systems".

He said missile engineers had christened the missile Oreshnik, or hazel tree in Russian.

Putin said it had been deployed "in a non-nuclear hypersonic configuration" and said that the "test" had been successful and had hit its target.

Speed

Air defences cannot intercept the Oreshnik, which attacks at a speed of Mach 10, or 2.5-3 kilometres per second, Putin said.