Girl's suicide leaves dozens ill from fumes "The 14-year-old girl, whose name was not released by police, followed the pattern of other deaths.
She mixed detergent with a liquid cleanser in her bathroom, police said. The door was closed, and she had affixed a sign on the outside warning, "Gas being emitted," Kyodo reported... Hydrogen sulfide gas is colorless and characterized by an odor similar to that of rotten eggs. When inhaled, it can lead to suffocation or brain damage."