Police have arrested hundreds of people in a crackdown on triads and organised crime over the past three weeks as part of a massive clean up ahead of next month's world university games in Shenzhen.
Vice dens, illicit gambling venues and illegal fuel-filling stations were raided as part of 'Operation Thunderbolt' lead by the Organised Crime and Triad Bureau.
Scores of officers seized drugs, contraband cigarettes, pornographic discs, and confiscated betting records worth HK$60 million at addresses across the city.
The joint operation carried out by Hong Kong, Macau and Guangdong law enforcers kicked off at the beginning of this month and ends on July 31. It is understood that the operation, usually held before National Day each year, is being carried out early due to the Universiade 2011.
The multisports event for university students, which is held every two years, is scheduled to be held in Shenzhen from August 12 to 23.
Police in the three jurisdictions were attempting to 'clean up' in a bid to ensure there was no trouble during the games, an officer said.