President Vladimir Putin has updated Russia’s nuclear doctrine.

Now, if a non-nuclear state – with the aid of a nuclear power – threatens the country’s sovereignty, it will be considered a joint threat, and Russia can respond with atomic weapons.

So what’s behind Putin’s decision? How will it impact the fighting in Ukraine? And how will the West respond?

Presenter: Neave Barker

Guests:

Pavel Felgenhauer – Russian defence and military analyst

Colin Clarke – research director at The Soufan Group, a global intelligence and security consultancy

Marina Miron – postdoctoral researcher in the War Studies Department at King’s College London