Pentagon lifts lockdown after false air-quality alarm (opens in new tab)

The Pentagon resumed normal operations Thursday after internal safety systems detected a potential air-quality issue, triggering a partial shelter-in-place order and a hazardous materials response at the U.S. Defense Department headquarters in Arlington, Virginia. Pentagon spokesman Sean Parnell said testing later confirmed no hazard after occupants received precautionary safety notifications. Arlington County Fire Department crews, including a hazardous materials team, assisted the Pentagon ...