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

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

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

Several people using Metrolink services in Greater Manchester have reported a suspect unleashing a noxious substance on board tram services in the last week in the area ...

Louisiana used nitrogen gas to put Jessie Hoffman Jr., 46, to death Tuesday evening in the state's first execution in 15 ...