New Delhi, Oct. 15 -- US President Donald Trump personally coached new White House press secretary Katie Zacharia in the Oval Office shortly before her first press briefing on Tuesday, asking her to use the intense interest in her debut to highlight his administration's achievements and announce his decision to seek the resignation of US ambassador to Greece Kimberly Guilfoyle, according to a report by The New York Post.

Trump summoned Zacharia to the Oval Office shortly before her briefing, which was scheduled for 9:30 am, causing her to arrive slightly late, the news outlet said, citing a source familiar with the matter. Trump also shared his decision regarding Guilfoyle, which Zacharia subsequently announced to reporters.

Zacharia, w...