A package containing the poison ricin was reportedly sent to President Donald Trump this week but was intercepted by authorities.
CNN quoted two law enforcement officials confirming the attempted poison attack, which was discovered at a mail-sorting facility and never came close to Trump.
Two tests were done to confirm the presence of ricin. All mail for the White House is sorted and screened at a remote facility, making it a long-shot method for targeting the president or aides.
The FBI is investigating the matter, along with postal inspectors.
Authorities are taking steps to protect Trump's relatives and other high-profile political figures from similar attacks.
Ricin is a highly toxic bean extract that has been used in terror plots and comes in powder, pellet, mist or acid form.
The poison can cause nausea, vomiting and internal bleeding of the stomach and intestines, followed by failure of the liver, spleen and kidneys, and death by collapse of the circulatory system.
Visit New York Daily News at www.nydailynews.com(c)2020 New York Daily News, Distributed by Tribune Content Agency, LLC.