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

Harneys—Maggie Kwok & George Weston

Harneys—Maggie Kwok & George Weston

Harneys senior leadership appointments

Freeths—Keith Browne & Jim Jordan

Freeths—Keith Browne & Jim Jordan

Freeths strengthens London Construction and Engineering practice with two strategic senior hires

Anthony Collins—Laura Moss

Anthony Collins—Laura Moss

Anthony Collins announces strategic hire to deepen skills base in the social business sector

NEWS
More than 100 teams from the legal and financial services sectors competed in five sports at the 51st Law Society RFC Festival of Sport earlier this month
Part-time status need only be an effective cause of less favourable treatment, rather than the sole cause, the Supreme Court has held in Augustine v Data Cars
Britain’s new acknowledgement that Israel’s occupation is unlawful, and accompanying settlement-goods ban and sanctions, is significant but overdue, argue Danny Friedman KC and Victor Kattan in NLJ this week
New planning fee rises, wider trade union access rights and a service-by-email trap feature in Stephen Gold’s latest Civil Way
Existing defamation law can respond to AI ‘hallucinations’, but allocating responsibility will prove harder where outputs reach users without human intervention
back-to-top-scroll