UK to release over 1,000 pages on Mandelson ambassadorship

The British government is set to publish more than a thousand pages of documents on Monday relating to the appointment and tenure of Lord Peter Mandelson as ambassador to the United States, in one of the largest single releases of government material ever laid before Parliament. The publication, compelled by a parliamentary vote, is expected to intensify political pressure on Prime Minister Keir Starmer and reveal private communications between ministers and the dismissed diplomat.

This second major release follows an initial batch of documents made public in March and is the result of a parliamentary order known as a humble address. The files are expected to include emails, WhatsApp messages, and other correspondence between Mandelson, senior ministers, and government advisers from six months before his 2024 appointment until the end of his tenure. Officials have described the effort to compile the documents as involving thousands of hours of work, comparable in scale to disclosures made to the UK's Covid-19 inquiry.

The release comes amid a prolonged scandal surrounding Mandelson's appointment to the prestigious diplomatic post. He was removed from the role last September...