The death toll from Hong Kong’s deadliest fire has risen to 128, authorities reported Friday, following 40 grueling hours of firefighting operations.

The death toll from a massive fire that swept through a high-rise housing complex in Hong Kong from Wednesday into Thursday has risen to at least 94, marking one of the region’s deadliest blazes in decades.

Firefighters continued battling one of Hong Kong’s deadliest modern fires on Thursday, as a blaze that engulfed several high-rise towers in Tai Po district claimed at least 55 lives.