Air testing confirms 'no hazard exists' at Pentagon after lockdown incident

Air testing confirms 'no hazard exists' at Pentagon after lockdown incident BBC Pentagon locked down and partially evacuated due to a false alarm by hazardous materials sensor, sources say WTOP Pentagon shelter in place during hazmat incident due to false alarm, reports say WUSA9 Pentagon lockdown and evacuation was due to a false alarm, sources say CNN No hazard found after 'severe' Pentagon alert sparks emergency response Fox News