More than half the Arctic's coastline is Russian territory and in the last six years Moscow has built more than 475 military bases along its northern border.

China is building a new military command centre near Beijing that is 10 times the size of the Pentagon, US intelligence officials have said.

China is constructing the world's largest military command centre near Beijing, in a bid to safeguard the country's leaders in the event of a nuclear conflict, US intelligence officials have said. The ...