A SUSPECT package has been found at Robert De Niro’s restaurant, Tribeca, in New York in the latest US bomb scare.
Mrs Clinton thanked the Secret Service and said she and her family “are fine”.
White House spokeswoman Sarah Sanders condemned the "attempted violent attacks" against the public figures.
Two days before the suspected explosive devices were sent to Obama and Clinton, a pipe bomb was found at the home of the financier George Soros.
President Donald Trump said that these threats "have no place in America".