Dhaka, Nov. 27 -- Firefighters in Hong Kong struggled for a second day on Thursday to contain a massive blaze that tore through a densely populated residential complex, killing at least 55 people in one of the city's deadliest fires in decades.

Thick smoke continued to billow from the Wang Fuk Court complex in the Tai Po district, near the mainland border, where flames were still visible inside several of the high-rise towers by Thursday evening. The fire began Wednesday afternoon, reportedly igniting in bamboo scaffolding and construction netting before rapidly spreading across seven of the complex's eight buildings.

Authorities said 51 victims were found dead at the scene, while four others died after being taken to hospitals. Among t...