35 tons of dead fish appear in lake in China

Dead fish blanketed parts of a Chinese lake on Wednesday.

(CNN)At least 35 tons of dead fish appeared in a lake in southern China, leaving residents stunned.

The piles of fish washed up in a lake in Hainan province on Wednesday, Chinese state media reported.
Residents expressed concerns on pollution, but local authorities said the fish died as a result of salinity change.