The head of global ports operator DP World has left the company after mounting pressure over his links to convicted sex offender Jeffrey Epstein.
Sultan Ahmed bin Sulayem's exit as chairman and chief executive comes after newly-released files showed the Emirati mogul appears to have exchanged hundreds of emails with Epstein over a decade.
Being mentioned in the files is not a sign of any wrongdoing, and the BBC has approached Sulayem for a comment.
DP World announced his resignation, effective immediately, on Friday, naming Essa Kazim as chairman and Yuvraj Narayan as chief executive. A photograph of Sulayem appeared to have been removed from its website.
DP World, the Dubai-owned logistics giant that runs port terminals across six continents and plays a significant role in global trade infrastructure, has come under increasing pressure over recent days from businesses it works with.
Earlier this week, the UK development finance agency and Canada's second largest pension fund La Caisse said they were suspending new investment into the firm.
And the Prince of Wales' Earthshot project, which received funding from DP World, was reported to the UK Charity Commission after Sulayem appeared in the files.
The documents reveal what appears to have been a close and wide-ranging relationship between one of the Gulf's most influential business figures and Epstein.
They indicate Epstein introduced Sulayem to various international figures from politics and business by email, and that Sulayem gave the Prince of Wales a tour of DP World's London Gateway port in 2016.
Sulayem was also accused by two US lawmakers, Ro Khanna and Thomas Massie, of being one of six powerful men who were associated with the disgraced financier.
The congressmen, who co-sponsored the law that compelled the justice department to release the Epstein files last year, say they were improperly redacted.
Among the redactions flagged by Massie on 9 February was a document appearing to show an email from Epstein in 2009 referring to a torture video. The recipient replied that they would be travelling between China and the US. The context is not known.
US officials disclosed that Sulayem was the recipient behind that email from Epstein.
According to a BBC News Arabic analysis of the documents, the emails appear to indicate Sulayem appears to have been in contact with Epstein as far back as 2007.
The trail of emails suggest the two developed a close friendship, regularly sending each other their travel plans, business ideas and contacts as well as news articles and crude jokes.
Epstein described Sulayem as one of his most trusted friends in an email from June 2013.
The emails appear to indicate Sulayem and Epstein exchanged many messages discussing girls and women around them.
In an email apparently sent from Sulayem to Epstein in 2013 regarding the arrival of two women, disparaged the Moldavian as less attractive than her photo while praising the Ukrainian.
The email trail shows the woman confirms she is a Russian passport holder.
In 2017, he boasts This my new 22 years old Uzbek to Epstein. Epstein corrects him and appears to make a comment about her age: According to her passport she is now 23, old.
There is no suggestion of any wrongdoing by Lord Mandelson in relation to the matter.
Sulayem also apparently sought Epstein's counsel in 2017 regarding an invitation to Trump's presidential inauguration. In the correspondence, Sultan asked, Should I accept the invitation, before inquiring whether it would be possible to shake hand with Trump.
Sulayem's correspondence over the years with Epstein suggests he was married and had two wives at one point.
