Letter Mailed To President Obama Tests Positive For Poison Ricin

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(CNN) — A letter addressed to the White House preliminarily tested positive for the deadly poison ricin, the FBI said Wednesday. That letter arrived at an off-site mail screening facility and was quarantined by the Secret Service, the FBI said.

Earlier Wednesday, the Secret Service said a letter addressed to President Barack Obama was intercepted Tuesday at the White House’s off-site mail facility.


— Authorities are investigating a suspicious letter at the office of Sen. Carl Levin in Saginaw, Michigan. “Earlier today, a staffer at my Saginaw regional office received a suspicious-looking letter,” Levin said in a statement. “The letter was not opened, and the staffer followed the proper protocols for the situation, including alerting the authorities, who are now investigating. We do not know yet if the mail presented a threat.”