UK officials are not expected to release a key document related to Peter Mandelson’s security vetting ahead of his appointment as the UK ambassador to the United States, according to multiple reports. The material in question is a summary document compiled before Mandelson was appointed. The Independent reports that the document, originally prepared as part of the vetting process, is no longer expected to be released by officials. The Daily Mail similarly says the Cabinet Office will not make the summary available, describing concerns that ministers are keeping information from public view. The reports characterize the change as an apparent decision to withhold the document rather than a delay, and they frame it as an issue about transparency surrounding the vetting of a senior political figure moving into a major diplomatic role. The sources agree on the core points: the existence of a pre-appointment vetting summary, Mandelson’s appointment as ambassador to the US, and the Cabinet Office’s position that the summary document will not be released.