Several people using Metrolink services in Greater Manchester have reported a suspect unleashing a noxious substance on board ...

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.

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

Police are investigating after a man wearing a gas mask boarded trams and began letting off suspected butane gas ...