CHANGSHA, May 30 (Xinhua) -- Three of four people who were exposed to toxic fumes from a chemical tanker truck at a car wash station in central China's Hunan province on Tuesday have died at a local hospital, municipal authorities in the city of Hengyang said Wednesday.
A city government spokesman said the tanker truck's driver and two onlookers rushed to rescue a sanitation worker who had fainted while cleaning the tank.
All four were poisoned by the tank's toxic fumes, the spokesman said.
Firefighters took the four to a local hospital for treatment following the incident.
The local fire department said proper equipment and protective outfits are required for cleaning chemical tanks, adding that car wash stations do not typically possess this equipment.