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12 June 2026
Issue: 8165 / Categories: Legal News , Profession , Constitutional law , International , National security
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NLJ this week: Mandelson affair exposes constitutional fault lines

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The fallout from Lord Mandelson’s appointment and dismissal as UK ambassador to Washington raises profound questions about constitutional governance, accountability and political appointments

Writing in NLJ this week, Professor Graham Zellick KC argues that the affair was marked by 'abuse of authority and procedural irregularity'. Examining the appointment through the Constitutional Reform and Governance Act 2010, he contends that powers vested in the foreign secretary appeared to be exercised instead by No 10.

The article also scrutinises the handling of security vetting, highlighting concerns that key decisions were taken without proper documentation or oversight.

While political appointments to ambassadorial posts are legally permissible, Zellick questions whether they should continue at all, noting their rarity and potential to undermine the non-political nature of the diplomatic service. Ultimately, he argues that failures of judgement, rather than legal complexity, lay at the heart of the 'Mandelson imbroglio'.

MOVERS & SHAKERS

Bell Yard Kysen—Liz Giles

Bell Yard Kysen—Liz Giles

Bell Yard Kysen appoints senior legal PR and ex-government communications adviser, Liz Giles

Clarke Willmott—Lee Edwards

Clarke Willmott—Lee Edwards

Clarke Willmott boosts Southampton commercial property team with addition of partner Lee Edwards

Lime Solicitors—four promotions

Lime Solicitors—four promotions

Lime Solicitors announces four promotions

NEWS
The Attorney General, Ellie Reeves KC MP, and Solicitor General, Andy Slaughter KC MP, marked the 25th anniversary of Pro Bono Week by joining lawyers, charities, students and parliamentarians at events celebrating voluntary legal work
Witness evidence can be compromised by AI before a solicitor sees the draft, leaving safeguards focused on authorship incomplete
Possession claims are entering a new digital era, with procedural traps awaiting practitioners who assume familiar rules still govern every step
A polished legal defence may owe more to artificial intelligence than legal merit—and creditors risk paying the price in delay and expense
An indemnity costs battle with a £20m gap could reopen an important question: what weight should an approved budget carry?
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