Russia warns nuclear weapon use will be justified if there is an 'existential threat'

Russia has claimed that use of its nuclear arsenal is justified by any “existential threat” the country faces.

Moscow’s deputy foreign minister said yesterday that a pre-emptive nuclear strike would be justified under Russia ’s military doctrine.

Alexandre Grushko was quoted by state news agency RIA as saying that under Russia’s official military doctrine the country was justified in using its nukes.