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1504-Page Leak Reveals Mandelson’s US Ambassadorship Talk, Starmer Challenge

6/2/2026

Summary

Story summary

The UK government released a 1,504-page dump of emails and WhatsApp chats on Peter Mandelson’s U.S. ambassadorship.
Peter Mandelson called Wes Streeting’s Israel message “hysterical” and pledged in a note to David Lammy that the appointment would never be regretted.
Peter Mandelson told Pat McFadden that Prime Minister Keir Starmer was not leading from the front, prompting a leadership challenge if mayor Andy Burnham wins a parliamentary seat on June 18.

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Story summary

The UK government released a 1,504-page dump of emails and WhatsApp chats on Peter Mandelson’s U.S. ambassadorship.
Peter Mandelson called Wes Streeting’s Israel message “hysterical” and pledged in a note to David Lammy that the appointment would never be regretted.
Peter Mandelson told Pat McFadden that Prime Minister Keir Starmer was not leading from the front, prompting a leadership challenge if mayor Andy Burnham wins a parliamentary seat on June 18.