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

DEATH row killer Jessie Hoffman has been executed with nitrogen gas in a 19-minute ordeal that left him “twitching and jerking”. The 46-year-old declined to make a final statement in ...

COPS are hunting for a "masked man" who reportedly released gas on trams full of passengers ... The suspect was allegedly wearing a face mask underneath a larger industrial mask covering his ...

Passengers have complained of a man in a gas mask unleashing a noxious substance ... and a guy got on at Queen's Road wearing a blue face mask with an industrial gas mask over the top of that.

Louisiana's mask is a full-face respirator similar to those often used by painters and sandblasters. Since nitrogen gas was first used to execute Kenneth Smith in Alabama, fervent debate has ...

More than 40 million gas masks were issued. In America there was a gas mask for children that looked like Mickey Mouse, with the character's nose and ears and even a picture of him on the gas filter.

Gas mask drill was a daily feature of life at school. The routine for the drill was: i) remove mask from box; ii) put mask on face; iii) check the mask is fitting correctly; iv) breathe normally.