With the threat of “unforeseeable consequences” coming from Moscow, fear of a possible use of nuclear weapons by Putin returns and the risk grows that in order to convince Ukraine to surrender, Russia may decide to resort to tactical nuclear weapons. less powerful but always devastating devices, with a limited range. Russia is first in the world for the number of nuclear warheads per country, 5,977, just above the NATO countries (USA, France and the United Kingdom) which together come to 5,943 nuclear devices. Far behind is China, with 350 newspapers, followed by Pakistan (165) and India (160). Israel has about 90 warheads while North Korea has about twenty.