North Korea warned that the US bolstering its military capability in South Korea could warrant the North using nuclear weapons.
The animosity between Strauss and Oppenheimer had probably several different dimensions.
Belarusian President Lukashenko stated he has a veto on use of Russian tactical nuclear weapons deployed on Belarusian territory.
Polish Prime Minister Morawiecki stated that Poland wants to join NATO's nuclear weapons sharing program, in response to Russia's deployment of nuclear warheads to Belarus.
The Belarusian president, in an address marking his ex-Soviet state's national day, said the stationing of the weapons in Belarus was "my firmest initiative".
Discover the countries with the highest chances of survival in the face of nuclear war, asteroid impacts, or other catastrophes. Get ready to book your tickets.
Putin stressed the importance of Russia's "triad" of nuclear forces that can be launched from land, sea or air.
Last week, Belarusian President Alexander Lukashenko said his country has started taking delivery of Russian tactical nuclear weapons.
The deployment of nuclear weapons in Belarus is Moscow's first move of such warheads outside Russia since the fall of the Soviet Union.
A Western official said over the weekend that the objective of the impending nuclear deal between the US and Iran is to stop Israel from attacking Iran.