What we know about Hong Kong’s deadliest fire in decades

How could a fire of this scale break out in Hong Kong, a city packed with skyscrapers and known for its relatively solid public-safety record? Among the failures that helped the blaze spread were the bamboo scaffolding, the plastic coverings, and the fact that the fire alarm did not go off. France24’s International Affairs Editor Olivier Farry takes a closer look at this disaster.