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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

Gateley Legal—Jack Kelly

Gateley Legal—Jack Kelly

Gateley Legal expands Midlands residential development team

Gibson Dunn—Richard Surtees

Gibson Dunn—Richard Surtees

Gibson Dunn adds employee benefits and executive compensation practice in London with partner Richard Surtees

Laytons ETL—Alec Cameron

Laytons ETL—Alec Cameron

Laytons ETL appoints new partner and head of intellectual property disputes

NEWS
A series of recent decisions has clarified important principles across property law, from perpetuities to lease renewals and public rights over land
Employers cannot rely on wellbeing services alone to defend workplace stress claims after a High Court decision awarding almost £1m to an overworked employee
Andy Burnham's brand of 'Manchesterism' could offer fresh thinking on legal aid and access to justice if it reaches Westminster, according to Roger Smith, NLJ columnist and former director of JUSTICE
The constitutional fallout from a change of prime minister, rather than the politics, is under scrutiny as questions arise over the limits of executive authority in a leadership transition
The legal profession is undergoing a fundamental shift from selling services to creating technology-enabled products, according to Professor Luke Mason, Head of School of Law at Regent's University London
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