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Following the Wagner mutiny in Russia, and with fighting intensifying as Ukraine presses on with its counter-offensive, there鈥檚 concern about increasing instability around potential use of nuclear weapons. President Putin has threatened to use tactical nuclear weapons in Ukraine. Gary O鈥橠onoghue asks how likely this is, and if the nuclear threat level is rising across the world.

Are countries around the world looking at what is happening in Ukraine and adjusting their nuclear thinking? As China seeks to increase its own nuclear arsenal, experts are talking increasingly of Tripolar nuclear competition, taking in Russia and the US. In this uncertain world, what role - if any - is there for nuclear non-proliferation treaties and how can the nuclear threat be contained ?

Contributors
Nikolai N Sokov: The Vienna Center for Disarmament and Non-Proliferation
Robert Litwak: Director of international security studies at the Woodrow Wilson International Center for Scholars
Henrik Hiim: Associate Professor, the Norwegian Institute for Defense Studies
Rose Gottemoeller: former Deputy secretary general of NATO, now at Stanford鈥檚
Freeman Spogli Institute for International Studies

Presenter: Gary O鈥橠onoghue
Producer: Phil Reevell
Researcher: Anoushka Mutanda -Dougherty
Editor: Tara McDermott
Technical producer: Nicky Edwards

(Yars intercontinental ballistic missile launched during exercises on October 26, 2022. Photo: Russian Defence Ministry via Reuters)