There is a manhunt underway to find a serial bomber mailing pipe bombs to prominent Democrats.
Investigators found suspicious packages on Thursday addressed to Robert De Niro and for Joe Biden in New York and Delaware.
Ten packages have been sent to the Obamas, Clintons, Biden, Holder, Maxine Waters, John Brennan, George Soros, CNN and Robert De Niro.
Devices have been seized in New York, Washington D.C., Florida and California.
An FBI statement said the packages consisted of a manila envelope with a bubble-wrap interior containing 'potentially destructive devices'.
President Trump has called for ‘all sides to come together in peace and harmony’ after US official intercepted the pipe bombs.