ALBAWABA- The Pentagon was placed under lockdown on Wednesday after internal systems detected an air quality anomaly, prompting a hazardous materials response and the deployment of emergency teams inside the U.S. Department of Defense headquarters. Officials confirmed that Arlington County Fire and Rescue units, including its Hazardous Materials Team, are operating at the facility in coordination with the Pentagon Force Protection Agency (PFPA), which is leading the on-site response. Firefighters ...