Two suspicious letters containing what appeared to be white powder prompted hazmat responses Thursday at separate government buildings in downtown Chicago, while federal authorities investigate a series of similar mailings. The first incident occurred at the Cook County Building on Clark Street, where a letter addressed to Cook County Treasurer Maria Pappas triggered a hazardous materials response.
Source: ABC7 Chicago (WLS)
Indexed: Fri, 16 Oct 2026 10:30:58 UTC
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