Police have arrested more than 3,600 people and seized $271 million worth of drugs and other illicit goods in a series of raids against organised crime.
They were jointly conducted by Hong Kong, Guangdong and Macau authorities from March 5 to June 10.
Police searched 6,400 locations including discos, game centres, massage parlours, nightclubs and residences.
Officers seized cannabis, ketamine, cocaine, ice and other illicit drugs worth HK$247 million.
Other confiscated items include obscene and pirated DVDs, weapons and imitation firearms, and 340,000 smuggled cigarettes.
A total of 3,618 people were arrested for triad-related and drug offences, managing vice establishments, breaching conditions of stay, illegal gambling, criminal damage, wounding, and possession of firearms or ammunition without a licence.
The arrestees are aged between 12 and 80, with 1,135 of them coming from the Mainland.
