Pakistan, Aug. 5 -- Hong Kong faced its highest-level weather warning on Tuesday as torrential rains and storms battered the city and nearby regions. The black rainstorm alert disrupted hospitals, schools, courts, and transportation, with authorities urging citizens to stay indoors. Streets turned into rivers, and stairways resembled cascading waterfalls due to rapid water flow in the city's steep terrain.

The Hong Kong Observatory reported over 10,000 lightning strikes between 6:00 and 6:59 a.m., with rainfall peaking at 90mm per hour. The same system also hit Guangdong province, increasing flood risks. With worsening weather, the black alert was extended until at least 3:00 p.m., leading to temporary closures of clinics, courts, and go...