11.   The odor of burning plastic is so strong that classes at the nearby Dongyuan Middle School must sometimes be halted.

12.   Investigators have said that the burning plastic in the subway cars gave off toxic fumes.

13.   Acrid smoke from burning plastic and rubber covered what locals said was the main depot for the electricity and water companies in the area.

14.   Elbar Gorin, director of the toxicology centre, said a lot of victims were poisoned by the fumes of burning plastic.