rain deluged Hong Kong on Friday leading to widespread flooding across the densely packed city, submerging streets, shopping malls and metro stations, as authorities shut schools and asked workers to stay at home.
The Chinese special administrative region saw the highest hourly rainfall since records began 140 years ago.
Hong Kong Observatory reported rainfall of 158.1 millimetres (6.2 inches) between 11 p.m. HKT on Thursday and midnight on Friday (1500 to 1600 GMT on Thursday).
The weather bureau issued the highest «black» rainstorm warning and said more than 200 mm of rainfall was recorded on Hong Kong's main island, Kowloon and the northeastern part of the city's New Territories since Thursday night.
The trough of low pressure associated with the remnant of Typhoon Haikui has brought torrential rain to the coast of Guangdong since Thursday, the weather bureau said.