{"id":"1c65b0bb-db60-46bc-9d66-5006e5de9a1b","url":"https://www.independent.co.uk/news/world/americas/us-politics/fbi-letters-suspicious-substance-congressional-election-offices-b3067578.html","domain":"independent.co.uk","outlet":{"name":"The Independent","country":"GB","cred":3,"lean":-1,"curated":true},"title":"FBI investigating after letters with 'suspicious substances' are sent to congressional and election offices","plainHeadline":"FBI and USPS investigating letters with suspicious substances sent to congressional and election offices","rewrite":{"model":null,"at":null},"summary":["FBI and Postal Service investigate a series of suspicious mailings nationwide.","Some letters contained an unknown substance, with several packages triggering evacuations.","Incidents affected congressional and election offices across multiple states.","A notice to Senate offices warns of potential additional letters reaching destinations.","Officials condemn threats to election staff as three weeks remain before Election Day."],"topics":["Politics","Cybersecurity"],"lang":"eng","publishedAt":"2026-10-15T16:00:14.000Z","ingestedAt":"2026-10-15T16:20:50.728Z","story":"https://brief.concise.news/story/d7022095-fb54-4486-a1ca-103633e81cf1","storyId":"d7022095-fb54-4486-a1ca-103633e81cf1","image":"https://static.independent.co.uk/2026/10/15/15/31/GettyImages-73534290.jpg?width=1200&auto=webp&trim=0%2C0%2C0%2C0","author":"Brittney Donovan","dek":"Authorities are urging recipients to treat the letters as ‘potentially hazardous’"}