http://www.sundaylife.co.uk/news/story.jsp?story=698025
Joe Oliver
"It's known as the craze that kills and it could be heading for Ulster after leaving a trail of death across America and central Europe. More than 150 kids have died from 'dusting', which involves inhaling compressed air from sprays used for cleaning computer keyboards. Just one hit can be fatal because youngsters believe there is no volatile substance involved in what they're using."