Davis Winkie

Multiple floors and corridors inside the Pentagon have been locked down and others are being evacuated due to a “hazardous materials incident,” three sources familiar and the local fire department said.

Multiple floors and corridors inside the Pentagon have been locked down and others are being evacuated due to a “hazardous materials incident,” three sources familiar and the local fire department said.

Pentagon spokesman Sean Parnell confirmed Thursday that systems within the Pentagon “have detected an air quality issue necessitating precautionary measures until we determine its significance.”

(CNN) — Multiple floors and corridors inside the Pentagon have been locked down and others are being evacuated due to a “hazardous materials incident,” three sources familiar and the local fire department said.

(CNN) — The Pentagon lockdown and evacuation was due to a false alarm, two sources familiar told CNN.

(CNN) — The Pentagon was locked down and partially evacuated on Thursday due to a false alarm by a hazardous materials sensor, two sources familiar told CNN.

(CNN) — The Pentagon was locked down and partially evacuated on Thursday due to a false alarm by a hazardous materials sensor, two sources familiar told CNN.

(CNN) — In recent weeks, Iran has dramatically escalated efforts to seal off its cache of near bomb-grade uranium , deliberately collapsing tunnels and booby-trapping entrances with explosive mines, according to five sources familiar with US intelligence.

(CNN) — In recent weeks, Iran has dramatically escalated efforts to seal off its cache of near bomb-grade uranium , deliberately collapsing tunnels

Live Updates However, Tehran and Washington offer different accounts of what's in the tentative agreement. What we're covering