Similar envelopes were received in other states, including Oklahoma and Louisiana.

Suspicious packages and letters with unknown substances reached lawmakers and election offices across the US. Here's where they landed and what the FBI investig ...

Kentucky's Board of Elections reports receiving a suspicious mailing, making it the 33rd state targeted by similar incidents.

Authorities in the US are investigating letters containing "suspicious substances" that have been posted to congressional and electoral offices.

The FBI Houston field office is investigating at a federal building as authorities investigate a series of suspicious mailings sent to addresses nationwide, including an envelope containing white ...

An envelope with white powder addressed to Cook County Treasurer Maria Pappas prompted a hazmat response downtown on Wednesday.

Maryland was among state election offices across the country for which a suspicious letter was intercepted before delivery, according to the state elections administrator.