How to keep order amid chaos


The volume of water released by the Three Gorges Dam hit an annual peak – 70,000 cubic metres per second – after torrential downpours in the upper reaches of the Yangtze River.

The hydroelectric dam at Yichang, Hubei, is the world's largest and is designed to reduce the potential for flooding downstream.

Meanwhile, in Hong Kong, Typhoon Vicente made landfall with wind speeds of 88mph. Hospitals admitted 118 casualties and communications were disrupted, bringing businesses to a standstill.