“We must be prepared for a long difficult relationship with Russia.

This means the need to invest in our defense, strengthening the collective deterrence and defense of NATO,” he said during a video conference event hosted by the Financial Times.

Earlier, German Chancellor Olaf Scholz said that Europe should return to the pre-conflict “peace order” in relations with Russia and resolve “issues of common security” if Russian leader Vladimir Putin is ready to abandon “aggression” against neighbors.