Timing of the announcement raised TV news eyebrows, coming as it does just weeks before the midterm election though Haley, widely regarded as a stabilizing influence on Trump, told reporters at a pop-up White House presser she will stay until the end of the year.
Mr Trump said that together, they had "solved a lot of problems". Haley's name quickly rose to the top when it came to potential authors of the op-ed - given her well-established independence within the administration - but she issued perhaps the strongest rebuke of the author in an op-ed of her own.
Haley's departure marked one of the rare examples of a senior Trump administration official making a graceful exit. She raised the topic unprompted, saying she knew it would likely arise.
President Donald Trump is expected to make an announcement about Haley's resignation from the Oval Office at 10:30 a.m.
"I don't have anything set on where I want to go", Haley said, with the president at her side.
She has also overseen the Trump administration's hostile approach to the UN.
U.S. Ambassador to the United NationsNikki Haley said on Tuesday that she plans leave her post at the end of the year.
"There's no personal reason", she said, explaining her rationale for departing.
She's helped rein in Iranian aggression, moved progress on a denuclearized North Korea, assured Israel we have her back, and overall just gained the USA more respect on the global stage.
"Countries may not like what we do, but they respect what we do", Haley said, adding: "It was a blessing to go into the United Nations with body armor on every day".
Earlier this year, Haley, 46, told Reuters that, "Every day I feel like I put body armor on", to protect US interests at the United Nations.
She was the first governor in the US of Asian descent, her parents having been born in India. That included a majority, 55%, of Democrats.
The daughter of Indian immigrants, Haley had always been seen as a rising star in the Republican Party which has eagerly sought female and ethnic minorities to broaden the appeal beyond its traditional white demographic.
Mrs Haley was confirmed as United States envoy to the UN in January 2017. Marco Rubio and Ted Cruz.
Haley, 46, remains a rising Republican star who now has traditional foreign policy bona fides to add to her experience as a two-term governor.
She has been more outspoken in calling out Russian aggression than Trump, for example. She once threatened to "take names" of countries that have opposed American policy in Israel.
The daughter of Indian immigrants, Haley alluded to Trump in denouncing "the siren call of the angriest voices" who disrespected America's immigrants. "She challenged friend and foe to be better". For all of you that are going to ask about 2020, no, I'm not running for 2020....
Wang said the North Korean issue shows that Beijing and Washington "can and should increase communication and cooperation". Pope Francis has made repeated public appeals for peace on the Korean peninsula, and led the faithful gathered in St.
Getting more than half of the world's electricity from renewable sources, like solar and wind power, in just over 10 years. And atmospheric carbon dioxide removal techniques would need to be employed on a truly significant scale.
The Committee to Protect Journalists said it was alarmed by reports Khashoggi may have been killed inside the consulate. But other Turkish officials have said they believe that Khashoggi was killed by Saudi agents inside the consulate.
In the men's Beijing Open, top seed Juan Martin del Potro progressed to the final by walkover against Italy's Fabio Fognini. Sevastova retired from tennis in May 2013 and studied leisure management instead after becoming frustrated by injuries.
Hirono was not alone in her concerns about Collins' speech on the Senate floor on Friday and the decision to vote for Kavanaugh. Collins gave the White House a reason to be optimistic when she told CNN she found it to be a 'very thorough investigation'.
So here's everything we know about the Pixel 3 , Pixel 3 XL and some other expected products that could be announced later today. Both the phones are also expected to get full glass panels on the back, which would also suggest wireless charging support.
Tottenham are sitting fifth, just two points adrift from the top and behind their north London rivals only on goal difference. The former Borussia Dortmund boss believes the Gunners can be contenders for the title in a wide-open title race.
However, while doing this security review, Google decided that keeping the social network going was too much work. The company, however, can not confirm which users were affected by the bug when it was active from 2015 to 2018.
The result will lead to a more fragmented parliament of seven parties, of which six won between 10 and 20 percent support each. In the meanwhile, Māris Kučinskis will continue to lead the existing government in a caretaker capacity.
Everyone misses penalties - even big, big, big players. "It was so intense since the last global break", he said after the game. We tried to win but at the end we need to be happy - I need to be happy - that we didn't lose it because of the penalty.
As Sox dominate Game 3, a separator emerges: contact
"If you hear that from Yankees staff or something like that, maybe you can believe it, but I don't know where you get that from". NY is built for Yankee Stadium, where it takes advantage of the short right-field porch and hit 144 of its record 267 home runs.
Wayne Rooney: 'Jose Mourinho is an easy target'
I have been blamed for extending my contract until 2020 but I didn't point a pistol at the club, they wanted to give it to me. The criticism Mourinho has received reminds Rooney of his time under the Portuguese's predecessor, Louis van Gaal .
Limo that crashed in NY , killing 20, failed inspection
Twenty people have died in a tragic accident in NY , which is said to have involved a limousine with a wedding party on board. Karina Halse told The Associated Press that her sister, a waitress, had texted her just before getting into the limo.
The Heat: Brazil Elections Pt1
That means he will have to duke it out on October 28 with left-wing candidate Fernando Haddad , who came in second at 29 percent. He has also stated that it is better to have a dead son than a gay one and that gay people were not beaten enough as children .
Facebook launches AI video-calling device Portal
Both the Portal and Portal + are available to pre-order today, though as I said they're restricted to the U.S. for the time being. Facebook has announced Portal , a series of devices that let you do voice or video calls to other Facebook and Messenger users.
Columbus, Ohio not celebrating Columbus Day
But this year, the capital city's offices will remain open, and instead close on Veterans Day , which falls on November 12. The change provoked strong reactions in Columbus, as seen on local news channel 10TV's Facebook page .
Brett Kavanaugh Sworn In As Newest Supreme Court Justice
Murkowski said she'd use an obscure procedure that lets one senator offset the absence of another without affecting the outcome. Trump also said women, far from being outraged at Kavanaugh, "were outraged at what happened to Brett Kavanaugh , outraged".