Washington, Dec. 7 -- President Donald Trump is likely to name State Department spokeswoman Heather Nauert to be his new ambassador to the United Nations, as per an administration official.

The nomination would place a less senior person at the international agency than outspoken current ambassador Nikki Haley, who reportedly sparred with other administration officials, a report in CNN said.

Ms Nauert, the former Fox News host's, sudden rise at the State Department in 2017 sets the stage for a potentially tough Senate confirmation hearing, where Democrats will likely grill Nauert on her qualifications for the position.

Her appointment would realign power dynamics within the President's national security team. Secretary of State Mike Pomp...