Key facts
- Cabinet Office permanent secretary Cat Little said the Metropolitan Police agreed withheld files can be released without prejudicing its investigation.
- Parliament's Intelligence and Security Committee will review unredacted versions before public release for national security and international relations concerns.
- Some documents will stay withheld at the Metropolitan Police's request while its investigation into alleged misconduct in public office continues.
The UK government will publish a new tranche of documents on Peter Mandelson's appointment as ambassador to the US before Parliament's Christmas recess on December 17, the Cabinet Office's permanent secretary Cat Little wrote.
Little said the Metropolitan Police had agreed that a section of withheld files can be released without prejudicing its investigation. Parliament's Intelligence and Security Committee will review unredacted versions before public release to check for national security or international relations concerns.
Some documents will remain withheld at the Metropolitan Police's request while its investigation into alleged misconduct in public office continues. The release follows a parliamentary humble address motion in February, which has already forced the publication of more than 1,500 pages.