A fire broke out at Luk Mei Tsuen Road in Sai Kung around 7 pm on Wednesday and was upgraded to No. 3 alarm about an hour later. No casualties have been reported so far.
The fire started at 7.19 pm and upgraded to No. 3 alarm at 8.14 pm.
Three jets and three breathing apparatus teams were used to fight the blaze.
About 20 people were self-evacuated to places of safety.