The compound is known colloquially among recreational drug users as “whippets,” "balloons," “hippie crack” or “Galaxy Gas,” ...

Transport for Greater Manchester has released a statement over concerns from Metrolink passengers after a man boarded 'wearing a gas mask'.

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

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

Louisiana puts man to death in state's first nitrogen gas executionLouisiana used nitrogen gas to put a man to death Tuesday ...

Jessie Hoffman Jr., who was convicted in a 1996 murder, argued the method of nitrogen hypoxia would violate his ability to ...

Jessie Hoffman Jr., 46, was declared dead shortly after 7 p.m. after he inhaled the lethal gas through a fitted full-faced ...

Louisiana executed a man convicted of murder with nitrogen gas on Tuesday evening, capping a raging legal battle that ended ...

ANGOLA, La. — The U.S. Supreme Court rejected a last-ditch effort to block Louisiana’s first execution using nitrogen gas, ...