From June 11 to 13, officials in Laibin City, Wuxuan County of Guangxi Province, received complaints from villagers about dead pigs found in rivers and fish ponds. Government workers disposed of 821 carcasses pulled out of bodies of water. Environmental officials are monitoring the potability of the local water supply. Officials from the health, environmental, and disease control bureaus are looking into the matter.
Back in April this blog reported on a larger incident like this in Hangzhou. Such incidents seem to be reported regularly in the Chinese press.