Louisiana plans to use nitrogen gas to execute death row inmate Jessie Hoffman next week. Here's what to know about the ...

COPS are hunting for a “masked man” who reportedly released gas on trams full of passengers. Tram users were left scared ...

After the government advised households to have enough supplies for at least three days in case of a national emergency, attention has turned to people whose doomsday preparations are a way of life.

There have been multiple reports of a man in a mask 'letting off gas' on Metrolink trams in Manchester in recent days, the ...

In the lead-up to World War II there were fears that the Germans would attack the UK with poisonous gas, so by 1938 the government had issued respirators to every man, woman and child in the nation.