# Authorities investigate letters containing ‘suspicious substances’ sent to congressional and election offices

https://mins.news/en/item/101727

- The Associated Press, 2026-10-15 15:36 UTC
- Politics
- Original: https://bit.ly/4zVggH9

> Federal authorities are investigating letters containing “suspicious substances” that were mailed to congressional and election offices across the United States.

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- [Federal agencies examine suspicious-substance letters sent to congressional offices](https://mins.news/en/item/101773) — ABC News, 2026-10-15
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