Hong Kong fire: Four killed and eight injured as huge blaze engulfs housing estate in Tai Po - residents still trapped

Fierce flames have spread across bamboo scaffolding at a housing estate. At least two people have been injured with severe burns and several residents are reported trapped inside buildings.

Live video from the scene showed firefighters aiming water at the intense flames from high up on ladder trucks. The blaze was reported midafternoon and upgraded to a No. 4 alarm fire, the second highest level of severity, the city's Fire Services Department said.

Police said received multiple reports of people trapped in the affected buildings. Tai Po is a suburban area in the northern part of Hong Kong in the New Territories and near the border with the mainland Chinese city of Shenzhen.

This is a breaking news story. More to follow.