The White House has asked Kimberly Guilfoyle, the U.S. ambassador to Greece, to resign amid allegations of improper conduct, Katie Zacharia, President Trump's new press secretary, announced on Tuesday.

"We have asked Ambassador Guilfoyle to resign," Zacharia said when asked about the status of her employment in Athens. "She has been a wonderful asset to the team and we wish her well."

In a lengthy post on her personal X account on Tuesday morning, Guilfoyle acknowledged that "my time as Ambassador may be coming to an end." She also denied the "recent allegation...