Earlier that year the same group killed 12 people with sarin nerve gas. Iraq used cyanide in its attack on the Kurdish village of Halabja in 1988. Five thousand people died and many were ...

Reaction with acid liberates hydrogen cyanide gas, one of the most toxic and rapidly acting poisons. Solutions must be kept basic (pH>8). Gloves are necessary to prevent absorption through the skin.

It can occur as a colourless gas or liquid or in crystal form. People can be exposed to cyanide by breathing it in, absorbing it through the skin, or eating food or liquids that contain it.

Based on the finding, Kitagishi and his colleagues worked out a chemical to remove carbon monoxide and hydrogen cyanide, major causes of gas poisoning in blazes. The compound’s antitoxic effects ...

But the family have long contested that when the River Thames burst its banks and flooded a nearby old landfill, toxic hydrogen cyanide gas was released, causing their son's death. Flooding does ...

Victims of cyanide are effectively choked by the toxic gas. Symptoms include headaches, dizziness, confusion, vomiting and convulsions. At high concentrations it can cause rapid death.

Aiming carefully, he fired two pellets into Bandera’s face. The capsules exploded on impact, releasing a cloud of cyanide gas. Bandera gasped the fumes and fell unconscious. He died, without ...