China river pollution kills 40,000 kg of fish

Waste water dumped by factories into a river in southwest China has poisoned and killed about 40,000 kilograms of fish, Reuters said on Tuesday.
Eighty government officials went door to door in Chongan town, Guizhou province, to warn villagers not to eat, sell or transport the fish, the report said, citing news portal
Officials blamed the deaths on upstream factories dumping excessive levels of fluorine, phosphate and arsenium into the river, reports said.