Rumors of Chief of Staff's impending departure and misery in the job have been swirling for months, but President Trump put an end to speculation over John Kelly's fate on Saturday. "I appreciate his service very much".
"John Kelly will be leaving - I don't know if I can say "retiring", Trump said.
The expected departure would end a tumultuous tenure for Kelly, who was brought on to bring order to the White House but whose time as chief of staff has often been marked by the same infighting and controversy that has largely defined Trump's presidency from its beginning.More news: Kendrick Lamar, Cardi B & Drake Lead the 2019 Grammy Nominations
Trump and Kelly's relationship has been strained for months - with Kelly on the verge of resignation and Trump almost firing him several times.
He told reporters that Barr, who led the Justice Department under former president George H.W. Bush, was "my first choice since day one" and said he is "a terrific man, a terrific person, a brilliant man".
Both the attorney general and United Nations ambassador positions require Senate confirmation.
Kelly spent more than four decades rising through the Marine Corps ranks before retiring in 2016 as a four-star general.More news: Real cruise into Copa del Rey last 16 after thrashing Melilla
"Now is the best opportunity to be laser-focused on further building out the political infrastructure that will support victory for President Trump and the GOP in 2020", campaign manager Brad Parscale said in a statement.
This breaking news story is being updated and more details will be published shortly.
But after the midterm elections in November, Trump said "let's see what happens", about Kelly's future at the White House, during an interview on "Fox News Sunday".More news: Six dead and dozens hurt in nightclub stampede in Italy