"The political temperature in the Arctic rose on Tuesday when Vladimir Putin vowed to step up Russia's military presence in the region in response to a claim by Canada to the north pole."
"In typically trenchant style, the Russian president told his defence chiefs to concentrate on building up infrastructure and military units in the Arctic. He said the region was again key to Russia's national and strategic interests, following a retreat in the post-Soviet period.
His comments were a direct and rapid riposte to Canada, a rival Arctic power. On Monday Canada's foreign minister, John Baird, said his government had asked scientists to work on a submission to the UN arguing that the outer limits of Canada's territory include the north pole, which has yet to be claimed by any country."
Luke Harding reports for the Guardian with wires December 10, 2013.
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