“Nuclear rattling must not be allowed.
This is an extremely delicate issue,” Antonov said.
He stressed that Washington should abandon "reckless and irresponsible" nuclear rhetoric.
Earlier, Russian Deputy Foreign Minister Sergei Ryabkov said that Western countries are trying to introduce nuclear rhetoric into circulation, although Russia does not threaten anyone with the use of nuclear weapons.
Moscow has repeatedly reminded that the inadmissibility of nuclear war is Russia's principled position.