FBI investigates suspicious mailings to election and congressional offices

The FBI and U.S. Postal Inspection Service are investigating suspicious mailings sent to election and congressional offices nationwide, including letters containing an unidentified substance, as officials work to intercept further deliveries and identify those responsible. The FBI said the mailings went to various addresses, including state secretaries of state and related election offices. A notice to Senate offices warned that additional letters might reach recipients despite law enforcement efforts to stop them. The FBI has not identified the substance or the sender or senders. Officials in Louisiana and Oklahoma said their election offices received suspicious mail on Tuesday and were evacuated while authorities responded. In Louisiana, an Election Division employee opened a package containing white powder and went to an emergency room as a precaution, a state spokesperson said. Officials reported no injury, and Louisiana authorities said testing found no evidence of harmful substances. The state said the incident did not affect election operations. Ohio Secretary of State Frank LaRose said investigators intercepted a suspicious letter intended for his office before it...