At approximately 2:45 p.m. today, a civilian clerk was opening mail on the second floor of Police Headquarters. After opening an envelope with a letter inside, a suspicious white powder substance was also located inside. The second floor of HQ was evacuated, as well as several streets closed off to traffic in the area. KCFD HAZMAT arrived and tested the substance. The substance was determined to be a non-hazardous material.
The FBI will be following up on the incident.