US Permanent Representative to the UN Nikki Haley resigned, AP reported.
Earlier, the US President Donald Trump tweeted that he has a "big announcement with my friend Ambassador Nikki Haley in the Oval Office at 10:30 a.m.”
Big announcement with my friend Ambassador Nikki Haley in the Oval Office at 10:30am.
— Donald J. Trump (@realDonaldTrump) October 9, 2018