A woman suspected of sending a letter containing the deadly poison ricin to the White House was arrested trying to enter the United States from Canada, two federal law enforcement officials said Sunday.
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An FBI spokesperson confirmed the arrest and said the agency is continuing to investigate the suspicious letter, NBC News reports.
A federal law enforcement official said the woman was taken into custody while traveling across Peace Bridge, which connects Fort Erie, Ontario, and Buffalo, New York. Additional information about the arrest and the suspect was not immediately available.
The FBI said Saturday that it was investigating a suspicious letter addressed to President Donald Trump that had been intercepted.
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