What changed in this update
Several federal agencies are investigating "multiple letters containing suspicious substances," that were mailed nation wide, according to a notice sent to Senate staff.
Event intelligence
Suspicious letters sent to US congressional and election offices
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PBS
Authorities investigate letters with 'suspicious substances' sent to congressional, election offices
Federal authorities are investigating letters that have been mailed to congressional and election offices nationwide and are urging recipients to treat the mailings as "potentially hazardous."
BBC News – World BBC
Letters with 'suspicious substances' sent to US election offices
NYTimes – US NYT
‘Suspicious Substances’ Sent to Senators and State Election Officials
Federal law enforcement officials said they were investigating a series of letters mailed to members of Congress and secretaries of state in recent days.
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ABC News
Feds investigating letters with 'suspicious substances' sent to congressional offices
Several federal agencies are investigating "multiple letters containing suspicious substances," that were mailed nation wide, according to a notice sent to Senate staff.
