WICHITA, Kan. (AP) — A federal terrorism task force is investigating after mail laced with a dangerous toxin was sent to a Sedgwick County government office, causing coughing and skin irritation for two employees and forcing several more to undergo decontamination.

The Sedgwick County Finance Department in the county courthouse received the certified letter on Monday, the Wichita Eagle reported.

The three-page letter was coated in a white powder, and two employees who handled the letter experienced symptoms of coughing and skin irritation, Sedgwick County Manager Tom Stolz said. One of the emp...