NATO Secretary General Mark Rutte has called for an urgent "shift to a wartime mindset," warning that the alliance's members are not prepared enough for an increasing security threat posed by Russia.

The UK prime minister has been in Brussels as part of his mission to "reset" Britain's relations with the European Union.

NATO Secretary General Mark Rutte told members of the security alliance to boost defense spending or prepare to learn Russian. Speaking at the European Parliament in Strasbourg, France ...

NATO Secretary-General Mark Rutte said Monday that Ukraine was not yet in a strong position to begin peace talks with Russia ahead of President-elect Trump taking office next week with a pledge to ...