White House mailed letter containing cyanide

Posted By: KLKN Newsroom

The Secret Service is trying to determine tonight whether a letter sent to the White House contained cyanide.

The letter was received Monday at the White House Mail Screening Center, and after initial biological testing came up negative, chemical testing today came up with the positive for cyanide.

There were no injuries or exposure concerns for the person at the mail sorting facility who opened the letter, said a law enforcement official.

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