As far as some serious offensives involving an attempt to retake Crimea are concerned, it is absolutely clear that this will serve as a basis for the… - Dmitry Medvedev

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As far as some serious offensives involving an attempt to retake Crimea are concerned, it is absolutely clear that this will serve as a basis for the use of all means of protection, including those provided for by the basic doctrine of nuclear deterrence, when the use of any types of weapons against Russia poses a threat to the existence of the state as such.