NewsHK
The Federal Bureau of Investigation and the U.S.
Postal Inspection Service are examining a series of suspicious mailings sent to various addresses nationwide, including multiple congressional offices and Secretary of State offices.
Senate Sergeant at Arms warned senior Capitol Hill staff that multiple letters containing suspicious substances were mailed out on Thursday, prompting a coordinated law enforcement response.
An email notice obtained by Fox News Digital, first reported by Punchbowl News, was sent to chiefs of staff, administrative managers, and state directors.
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