Nuclear weapons

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    Video caption: Nuclear weapons: Explained in numbers

    Reality Check takes a look at the facts and figures behind the world's nuclear weapons

  2. Video content

    Video caption: Greenham Common: Anti nuclear weapons march recreated

    Women are marching from Cardiff to Greenham Common as they did in 1981 in protest.

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    Video caption: Biden-Putin need to ‘get going’ on arms control

    Tough talks lie ahead which may fill the next five years, an ex-Nato deputy secretary general says.

  4. What do the US and Russian leaders want from their face-to-face summit?

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    Video caption: US President Joe Biden will meet his Russian counterpart Vladimir Putin in Geneva

    It is their first meeting since Joe Biden became president and the encounter is being closely watched.

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    Video caption: PMQs: Blackford and Johnson on nuclear weapons on Clyde

    The SNP Westminster leader says actions this week “expose a tale of two governments, with two very different sets of values".