With pro-democracy movements long squashed, the government is targeting any hint of subtler expressions of discontent. Even establishment figures say it may be too much.
Fogging with insecticide at a hospital in the Chinese city of Foshan, where officials are battling an outbreak of chikungunya, a painful mosquito-borne viral disease.
Record-setting rain has brought chaos to parts of Hong Kong, with submerged streets, stranded buses and landslides. Residents were advised to avoid going out.
Water spilling onto a street in the Quarry Bay area of Hong Kong on Tuesday. Parts of Hong Kong were brought to a standstill by flooding caused by days of heavy rains.