Pentagon lockdown in wake of hazardous materials scare and air-quality alert

Pentagon floors two through five and corridors four through seven were locked down and evacuated after a hazardous materials incident triggered an air-quality issue; the Pentagon Force Protection Agency and Arlington County Fire Department are responding, with a shelter-in-place order in the affected area and testing expected to take 1–2 hours. Authorities say occupants should follow safety instructions as they assess the situation.