header-logo header-logo

12 June 2026
Issue: 8165 / Categories: Legal News , Profession , Constitutional law , International , National security
printer mail-detail

NLJ this week: Mandelson affair exposes constitutional fault lines

252162
© Shutterstock
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

Withers—Sophie Barrett-Brown

Withers—Sophie Barrett-Brown

Withers drives further growth in its UK immigration team with new partner Sophie Barrett-Brown

Venus Legal—Esther Amoako

Venus Legal—Esther Amoako

Venus Legal invests in next generation of legal talent as specialist litigation practice grows

Fisher Phillips—Catrina Smith

Fisher Phillips—Catrina Smith

Fisher Phillips continues momentum in London with arrival of Catrina Smith

NEWS
Restrictions on workplace non-disclosure agreements could make settlements slower, more complex and more expensive when reforms expected in 2027 take effect
Private prosecutors face closer scrutiny under Crown Prosecution Service guidance designed to strengthen accountability and consistency when intervention is requested
Foreign states cannot necessarily claim immunity for cyber operations launched abroad against computers in Britain, following a divided Supreme Court ruling
Defendants who make unsupported complaints about their lawyers risk losing legal aid while confiscation proceedings continue without representation
Lawyers advising Russian clients face different sanctions restrictions across the UK, EU and US, despite their shared objective of increasing pressure on Russia
back-to-top-scroll