- All clear given at Pentagon following after ‘hazardous materials’ alert Al Jazeera
- Pentagon locked down and partially evacuated due to a false alarm by hazardous materials sensor, sources say WTOP
- Pentagon reopens after false alarm prompts shelter-in-place WMUR
- Pentagon shelter in place during hazmat incident due to false alarm, reports say WUSA9
- Air testing confirms ‘no hazard exists’ at Pentagon after lockdown incident BBC
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All clear given at Pentagon following after ‘hazardous materials’ alert – Al Jazeera
