India, June 26 -- Natalie Harp, an aide at the White House, has developed such an intense fixation on Donald Trump that her brother has felt compelled to voice his concerns.

Preston Harp, 38, who is estranged from Trump's favored personal assistant, criticized the 80-year-old president and the overly intimate relationship he shares with his 34-year-old sister.

Speaking with The Daily Mail for an interview, Preston referred to Trump as a "national embarrassment" and described his sister's connection with him as "very unhealthy."

"She's just like his fan club," he added.

Harp has remained a consistent presence in Trump's circle since she became part of his team in 2022, despite lacking an official position.

Previously a host at the con...