Putin’s ‘incredibly dangerous’ nuclear threats raise the risk of an unprecedented disaster

Russian President Vladimir Putin’s ultimatum to the West drastically increases the risk of a nuclear conflict, analysts and campaigners warned, with world leaders denouncing what they describe as “reckless” and “irresponsible” threats.

Speaking in a rare televised address Wednesday, Putin called up extra forces for the war in Ukraine and warned that if the territorial integrity of Russia was threatened, the Kremlin would “certainly use all the means at our disposal to protect Russia and our people. It is not a bluff.”

It was widely interpreted as a threat that...