The Russian leader says the nuclear-armed Burevestnik – dubbed Skyfall by Nato – has almost unlimited range and can evade missile defences.

The Russian leader says the nuclear-armed Burevestnik – dubbed Skyfall by Nato – has almost unlimited range and can evade missile defences.

Experts say recent satellite images show intense preparations at the Pankovo test site on Novaya Zemlya, a remote archipelago in the Barents Sea.