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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

NLJ Career Profile: Maryam Syed KC, Church Court Chambers

NLJ Career Profile: Maryam Syed KC, Church Court Chambers

From childhood dreams of the Bar to some of the country's most challenging cases, Maryam Syed KC explains why she has never stopped standing up for others

DAC Beachcroft—Richard Breavington, Rachel Ford & Daniel Guilfoyle

DAC Beachcroft—Richard Breavington, Rachel Ford & Daniel Guilfoyle

DAC Beachcroft significantly expands Cyber team, hiring three Cyber partners

Browne Jacobson—Professor Clive Kay

Browne Jacobson—Professor Clive Kay

Browne Jacobson appoints senior healthcare leader Professor Clive Kay as strategic adviser

NEWS
As family justice moves further away from the courtroom, collaborative law is emerging as an increasingly important route to resolving separation disputes
A busy period for employment law is producing important lessons for employers, employees and tribunals alike
From forgotten interest claims to case-management appeals, a string of procedural developments offers useful—and occasionally cautionary—lessons for practitioners

Jonathan Fisher KC highlights that it now accounts for around 40% of criminal offences, with roughly 70% involving technology, and argues that the UK cannot simply prosecute its way out of the problem. Detection, investigation and prosecution all require improvement, while different fraud types demand tailored responses.

How forcefully can a litigant criticise a public authority before robust advocacy crosses the line into unreasonable conduct? 
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