Sex and drug parties in Singapore chalets?

Yahoo! Singapore News, 31 May 2011
While it is usual to see teenagers in Singapore gathering in chalets for barbecues or birthday celebrations, some of their peers get together only to engage in sex and drug parties.
Once intoxicated after a cocktail of alcohol and illegal drugs, some of these teens, which include girls as young as 14, engage in sexual intimacy -- from heavy petting to intercourse.
It is understood that such chalets stays are organised by some members of gangs in Singapore, and that they are getting more common. Full story