§ Mr. Cookasked the Secretary of State for Defence when his Department last carried out an assessment of the risk of accidental detonation of nuclear weapons; and if he will place a copy of the results in the Library.
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§ Mr. PattieNuclear weapons are designed to the most stringent criteria to ensure against any risk of accidental explosion and the assessment of the safety of nuclear weapons is a continuous process throughout their development, design, production and deployment. Data collected during the course of monitoring of nuclear weapons safety must, however, remain secret.