The attackers were brainwashed, they were ordered to put the cyanide gas into the subway train.

Experts said that breathing cyanide gas caused the greatest harm.

There were also warnings that houses were rigged to explode and that the enemy had set up cyanide gas.

Burning a kilogram of it would fill a 50m³ room with an incapacitating and ultimately lethal mix of carbon monoxide and hydrogen cyanide gas.

There was also a recipe for creating poisonous cyanide gas.

He had a cyanide pill in his pocket, just in case.

Each fighter carries a cyanide pill for such circumstances.

After pulling the trigger, he swallowed a cyanide pill and then immediately vomited.

With studied banality he mentions that he has cyanide pills in a drawer.

He was then searched for cyanide pills.

Something used to cure the effects of cyanide poisoning.

An autopsy found she died of potassium cyanide poisoning.

High stomach acidity thus helps cyanide ions to become more bioavailable, increasing the likelihood of cyanide poisoning.

Carbon monoxide poisoning or cyanide poisoning can also be accompanied by release of troponins due to hypoxic cardiotoxic effects.

In cyanide poisoning, the body can not utilize oxygen, so the venous blood remains oxygenated, increasing the redness.