Hong Kong fire latest: rescue crews search for survivors after 55 killed and hundreds reported missing

Three men arrested as 26 rescue teams on site at Wang Fuk Court residential apartment complex in Tai Po district. Follow the latest updates live

• Report: death toll rises as hundreds reported missing

• What we know so far about the blaze

• Bamboo scaffolding may be to blame for spread of fire

• A visual guide to the fire

The death toll has risen again to 44, fire officials say.

Officials said they are still having difficulties proceeding into the upper floors in some of the buildings in the residential complex as the fire continues.