Hong Kong/IBNS, Nov. 27 -- Fire crews inHong Kongwere still battling amassive blazeon Thursday after a high-rise housing complex went up in flames, killing at least 55 people and leaving hundreds more missing, authorities said.

The fire - the city's deadliest in decades - erupted on Wednesday afternoon across an eight-tower residential estate containing around 2,000 flats.

The scale and speed of the inferno sent shockwaves through the densely populated city, known for its towering apartment blocks.

Three arrested

Police announced early on Thursday that three men had been arrested in connection with the disaster.

Officers later searched a separate location, seizing binders of documents linked to the suspects, whom they accuse of "gros...