Hong Kong came to a standstill on Tuesday as torrential rain pounded the city for the second time in less than six hours, triggering a rare black rainstorm warning, paralysing public services and flooding key urban districts.
The Hong Kong Observatory issued its highest-level alert at 5.50am local time, warning that more than 70mm rain was falling per hour across the territory. A similar black rain warning had been issued at 11.45pm Monday night.
