ITV News' Robert Peston takes a deep dive into consultancy Global Counsel, amid rumours its founder Lord Mandelson may be the new British ambassador to the US.

Lord Mandelson: What are the business interests of the potential US ambassador?

The peer told Peston on Sunday he needed to have a discussion with his partner of 20 years.

Lord Mandelson considers tying knot after Royal Wedding

Actor Mark Gatiss has revealed politician Peter Mandelson inspired his performance as Sherlock's brother Mycroft in the hit BBC series.

Mandelson inspired Gatiss' performance in Sherlock

Lord Mandelson said he strongly supported the Labour leader and dismissed claims that he had 'sounded out' a possible replacement.

Peter Mandelson: Miliband will be a good Prime Minister

If the issue of a referendum on EU membership is gripping Peter Mandelson, there surely is an argument for the PM to put it in his manifesto

Peter Mandelson

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Lord Mandelson: What are the business interests of the potential US ambassador?

Lord Mandelson considers tying knot after Royal Wedding

Mandelson inspired Gatiss' performance in Sherlock

Peter Mandelson: Miliband will be a good Prime Minister

Mandelson's interesting intervention on issue of Europe