President Donald Trump on Friday offered good wishes to Britain's former ambassador to Washington Kim Darroch, who resigned earlier this week amid a spat with the Republican president following leaked diplomatic cables.
The statement also said there has been damage caused to Britain's global relations, and there would be clear public interest in bringing the person or people responsible to justice.
Earlier today Donald Trump praised Sir Kim for comparing him to the Terminator in leaked messages.
President Trump had earlier said the U.S. would no longer take care of Sir Kim.
According to the Daily Mail Saturday, the former ambassador said Trump seemed to be discarding the Iran nuclear deal for "personality reasons", as the deal had been agreed to by former President Barack Obama.
A British police investigation into the leak of confidential diplomatic memos is raising press freedom issues, as police warned Saturday that United Kingdom media outlets might face a criminal inquiry if leaked documents are published.
He entreated whoever changed into once responsible to expose themselves in and "face the implications".
"I would say to the person or people who did this, the impact of what you have done is obvious". However, you are now also responsible for diverting busy detectives from undertaking their core mission.
Any individual with records in regards to the alleged leak or those responsible must smooth contact the police, he added.
British police indicated Saturday they issued the unusual warning because of concerns that more leaked memos are "in circulation".
The London Metropolitan Police said its counter-terrorism command, which takes national responsibility for investigating allegations of criminal breaches of the Official Secrets Act, was leading the investigation.
Boris Johnson, frontrunner in that race, has been heavily criticised by lawmakers in his own party and the opposition for failing to defend the ambassador.
"Sir Kim was doing his job".
Mr Johnson said he had spoken to Sir Kim on Thursday to tell his disappointment over his resignation and the ambassador instructed him he had not watched the TV debate.
A first batch of leaked reports authored by Darroch last weekend caused major turmoil between Britain and its closest ally.
Top Minister Theresa Would possibly perchance presumably said Sir Kim's departure changed into once "a topic of deep feel sorry about" and public servants wants as a plot to give "corpulent and frank recommendation".
The president said the ambassador had said "pretty nice things" about him, days after branding the British envoy a "pompous fool" and "a pretty stupid guy".
The head of Britain's diplomatic service, Simon McDonald, said this week he was "bracing" himself for further leaks, which he described as "the worst breach of trust in our service in my career".