“Europe and the United States must defend the existing world order, which is being challenged by the authoritarian regimes of China and Russia, who are trying to rewrite the rules to suit their interests,” he said.

Stoltenberg said the alliance could be threatened by the "rise of China."

Stoltenberg previously said that the strategic concept of the alliance from 2010 needs updating, as it does not take into account the strengthening of China and a new approach to relations with Russia.