World 10 sources · today 14 articles

FBI investigates suspicious letters sent to congressional and election offices

Federal agencies are investigating mail containing unknown substances as election offices in three states report suspicious packages just weeks before the midterm elections.

Read the full story → · Latest coverage 15 Oct 2026, 5:26 pm UTC

Key moments · 4

Three states report suspicious packages at election offices

The Hill ↗

Senate staff notice describes multiple suspicious letters nationwide

ABCNews.com ↗

Staff emails identify three agencies investigating congressional mail

New York Post ↗

Authorities urge recipients to treat letters as hazardous

The Independent ↗

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