Multiple floors of the Pentagon were locked down Thursday after hazmat crews were deployed for what authorities described as a "hazardous materials incident." CBS News New York's Jessica Moore reports.

Emergency crews responded to a hazmat incident at the Pentagon on June 11, according to local and federal officials.

Virginia emergency crews deployed to the Pentagon on Thursday morning for what authorities described as a “hazardous materials incident.”Pentagon spokesman Sean Parnell confirmed that “sophisticated systems” had “detected an air quality issue necessitating precautionary measures until we determine its significance.

The Pentagon issued a shelter-in-place order because of a “hazardous material incident,” officials said Thursday. Nearly half the Pentagon—four corridors on three floors of the five-story building— are locked down,

The building's systems detected an "air quality issue", a Pentagon spokesperson said, prompting a response from hazmat teams.

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.

Hazmat crews deployed to the Pentagon on Thursday and a shelter-in-place was in effect for what authorities described as a "hazardous materials incident."

Pentagon locks down areas and evacuates personnel after internal systems detect air quality issue under investigation.