France, Jan. 22 -- A source familiar with talks between Trump and NATO Secretary-General Mark Rutte said the agreement would be revised, but stressed that placing American bases on Greenland under US sovereignty had not been discussed.

"The 1951 agreement will get renegotiated," the source told the French news agency AFP- adding that European allies would also step up security in the Arctic.

The defence pact, last updated in 2004, already allows Washington to increase troop deployments on the island as long as authorities in Denmark and Greenland are informed in advance.

The US currently operates one base there, the Pituffik Space Base in the north-west, which plays a key role in its missile defence system.

Trump said on Wednesday he ...