“We heard their (Russia. -

RT

) rhetoric, we are ready to deter nuclear aggression against the United States just as it has been for decades, since the days of the Soviet Union.

We will not give in to nuclear blackmail, ”RIA Novosti quotes him.

The American diplomat accused Moscow of an irresponsible escalation of rhetoric and stressed that Washington would not get involved in the controversy.

Russian Foreign Minister Sergei Lavrov said earlier in an interview with Al Jazeera that if a third world war broke out, it would be nuclear and very destructive.

He also noted that the inadmissibility of nuclear war is Russia's principled position.