US Pentagon partially locked down after 'hazardous materials incident' The Times of India Pentagon lockdown and evacuation was due to a false alarm, sources say CNN Pentagon lockdown over ‘hazardous materials’ incident due to false alarm: report The Hindu All clear given at Pentagon following after ‘hazardous materials’ alert Al Jazeera Pentagon evacuated, multiple floors locked down over possible hazardous exposure India Today US Pentagon partially locked down after 'hazardous materials incident' The Times of IndiaPentagon lockdown and evacuation was due to a false alarm, sources say CNNPentagon lockdown over ‘hazardous materials’ incident due to false alarm: report The HinduAll clear given at Pentagon following after ‘hazardous materials’ alert Al JazeeraPentagon evacuated, multiple floors locked down over possible hazardous exposure India Today by Soban News (international And National News)