Putin is the primary decision-maker on the use of Russia's nuclear arsenal. The doctrine said any attack by a non-nuclear power supported by a nuclear power would be considered a joint attack, and that any attack by one member of a military bloc would be considered an attack by the entire alliance, it said.

The war in Ukraine has reached a tense milestone as Russian President Vladimir Putin issued a new decree broadening the country’s nuclear policy. This move directly targets the United States, following President Joe Biden’s decision to allow Ukraine to use long-range weapons against Russian territory,

On the back of the US president’s decision to allow Ukraine to fire into Russia, his counterpart has been quick to counter.