Police have searched two properties linked to Peter Mandelson in Camden and Wiltshire as part of a Metropolitan Police investigation into alleged misconduct in public office. Officers said a 72-year-old man has not been arrested and enquiries continue. The probe follows US files suggesting Mandelson shared market‑sensitive government information with Jeffrey Epstein while serving in Gordon Brown’s government. Mandelson denies criminal wrongdoing and has previously apologised for maintaining contact with Epstein after his 2008 conviction. (itv.com)

Witnesses saw officers carrying boxes from the London address and briefly examining a car outside before leaving. Police vehicles were also seen at the Wiltshire property. (news.sky.com)

The allegations centre on 2009–10 emails published in recent US releases. Messages appear to show discussions of a planned one‑off levy on bankers’ bonuses, including whether JPMorgan’s Jamie Dimon should call then‑chancellor Alistair Darling to press concerns. Separate emails suggest advance notice of a large eurozone support package before its public announcement. (theguardian.com)

Why markets care: the policies at issue moved prices. When EU ministers backed a rescue worth hundreds of billions of euros in May 2010, global equities surged and bank stocks rallied sharply, while the euro briefly strengthened before paring gains. That is precisely the sort of information professional investors treat as highly price‑sensitive. (cnbc.com)

Legally, the offence under investigation-misconduct in public office-is a common‑law crime with a maximum sentence of life imprisonment. Sentencing patterns are very different: the Law Commission’s review of cases found terms “very rarely exceed 10 years.” (cps.gov.uk)

The political fallout has intensified. On Thursday 5 February 2026, Prime Minister Sir Keir Starmer apologised to Epstein’s victims and said he was sorry for having believed Mandelson’s explanations. (theguardian.com)

Under pressure from MPs, ministers have agreed to release papers on Mandelson’s 2024 appointment as UK ambassador to the US to Parliament’s Intelligence and Security Committee, rather than keep decisions inside Whitehall. The Met has asked that some documents be held back temporarily to protect the investigation, and No 10 has acknowledged a “very significant volume” of material to review. (theguardian.com)

Officials expect the trove to be vast. BBC reporting cited by the Guardian’s live blog put the number of documents near 100,000, a process likely to take weeks if national security vetting is required. (theguardian.com)

Mandelson resigned from the Labour Party on Sunday 1 February and formally retired from the House of Lords effective Wednesday 4 February, following the latest disclosures. (theguardian.com)

Inside Labour, criticism has been open. Former deputy leader Harriet Harman said the prime minister looked “weak, naive and gullible” for appointing Mandelson, while Stroud MP Simon Opher urged a clear‑out of No 10 advisers, naming chief of staff Morgan McSweeney. (theguardian.com)

Conservative leader Kemi Badenoch has described Starmer’s position as untenable and urged Labour MPs to back a vote of no confidence. (news.sky.com)

For investors and CFOs, the point is governance risk. Allegations of policy leaks go to market integrity and trust in rule‑making. The Law Commission’s push to replace the vague common‑law offence with clearer statutory crimes-picked up by the government in 2025-aims to reduce grey areas and tighten accountability around public‑office conduct. (lawcom.gov.uk)

Portfolio implications are more immediate than they look. The timing and scope of document releases will set the pace of headlines; sterling and UK bank shares have historically been sensitive to perceived policy risk. In 2010, banks led the relief rally after the euro package; today, the risk cuts the other way if confidence in the policy process erodes. (cnbc.com)

Next steps are procedural. Detectives are expected to continue evidence collection and, if required, interview Mandelson under caution. He remains unarrested as of Friday 6 February; the Met says enquiries are ongoing. The government says it will support the police and get documents to Parliament as quickly as security allows. (itv.com)