They said there should never be a release of the lethal chemicals into the air.

The execution took 37 minutes to complete, and required a second injection of the lethal chemicals.

He was an expert on tabun, an extremely lethal chemical.

But that did not stop legal efforts to block the state from injecting lethal chemicals into his bloodstream.

There are a lot of toxic and lethal chemicals.

And while you're at it, think about your drug stock, any sort of lethal chemicals or heavy sedatives.

If this means having security teams with dogs boarding trains to look for bombs and lethal chemicals, fine.

Swallowing these lethal chemicals is by far the preferred method.

The river is thick with heavy metals and lethal chemicals that cause cancer, it says.

Devices to detect lethal chemical and biological agents were developed.