MPs probing files detailing the appointment of Peter Mandelson as US ambassador have accused Sir Keir Starmer of “withholding” documents from their inquiry. The Intelligence and Security Committee (ISC) - which is overseeing the release of the documents - has raised concerns that the government is redacting more information than was initially agreed on and accused it of applying redactions “far too broadly”. It has demanded assurances that any information removed is “in the spirit of the Humble Address” that in February ordered the release of all files related to Lord Mandelson’s 2024 appointment as US ambassador. MPs voted to release any documents that may compromise international relations or national security to the ISC (PA Archive) When the release of the files was agreed, MPs voted to release any documents that may compromise international relations or national security to the ISC.…