Vladimir Putin said Russia will not withdraw from the treaty but will no longer allow NATO countries to inspect its nuclear arsenal, which is at the heart of the agreement.
Russia will stop participating in the New START nuclear arms treaty with the United States that obliges the two nations to reduce and limit their forces.
Russian President Vladimir Putin made the announcement in a state of the nation address Tuesday in which he accused NATO of helping Ukraine strike Russian air bases with drones. The air bases host some of its nuclear forces' strategic bombers.
The U.N. agency's report last month concluded that Japan's plans were consistent with international safety standards.
But the U.N. agency says any detonation of the mines should not affect the site’s nuclear safety and security systems.
The biennial report noted the erosion of nuclear security coincides with growing nuclear security dangers and alarming increases in stockpiles of weapons-usable nuclear materials.
The weapons are banned under a Geneva-based treaty adopted by 111 nations, but not the U.S., Ukraine or Russia. Certain types are still permitted if they can self-destruct.
Some in the developing world fear that the war in Ukraine is diverting attention away from the dangers of climate change.
The U.N. health agency praised world leaders for a 'historic' commitment to working together against future pandemics.
Ukraine's President Volodymyr Zelenskyy and U.S. President Joe Biden each took the stage at the U.N. General Assembly to emphasize there are global stakes in the outcome of the war.
Despite the absences, the politics of catastrophe and climate inaction toward Earth's impaired health await the assembly's annual gathering of world leaders next week in New York.
