Russia is to build an ultra-modern city on a frozen island deep inside the Arctic Circle - in the Kremlin's latest move to back its claim to vast oil and gas reserves under the polar ice cap.
Named Umka, after a popular Soviet polar bear cub cartoon hero, the initial 5,000 residents will live under a vast dome to protect themselves from temperatures sinking below minus 30C in winter.
'This city will be of strategic importance as Russia's northern outpost
