Crews this week will remove more neutralized methyl methacrylate (MMA) from two storage tanks at the GKN Aerospace facility in Garden Grove, which was the site of a major chemical leak last month. The ...

A total of 21 people were treated and evaluated, and four were taken to the hospital, after a hazmat situation at an underground complex. Fire and hazmat crews responded to 8800 NE Underground Drive ...

A hazardous material alert that locked down the Pentagon for hours on Thursday was a false alarm, officials said. The alarm triggered an emergency response in the halls of the War Department, with a ...

Emergency crews responded to a reported hazmat incident at the Pentagon on June 11, which turned out to be a false alarm, officials said later in the day. Pentagon spokesman Sean Parnell confirmed a ...

The Pentagon was locked down and partially evacuated on Thursday due to a false alarm by a hazardous materials sensor, a Pentagon official said. As of 12:30 p.m., the lockdown had not been lifted. The ...

Stephen Smith is a managing editor for CBSNews.com based in New York. A Washington, D.C. native, Steve was previously an editorial producer for the Washington Post, and has also worked in Los Angeles, ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The Pentagon on Thursday locked down multiple floors and evacuated ...

Certain areas in the Pentagon went on lockdown Thursday morning due to an "air quality incident" that was later revealed to be a false alarm. An alert, shared with Fox News Digital, carrying a "severe ...

The Pentagon returned to “normal operations” Thursday afternoon after an air quality issue prompted a shelter-in-place order. Subscribe to read this story ad-free Get unlimited access to ad-free ...

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. Multiple floors and corridors inside the building ...

The Pentagon briefly went into lockdown on Thursday due to a “Hazmat incident” caused by a false alarm inside the building. Arlington Fire and EMS initally reported on social media, “ACFD units, ...