HCM City officials said on December 5 that five people are part of a major drug ring operating across the border from neighbouring Cambodia.Nguyen Thach Thao was the first person to have been arrested on November 28 when she was receiving methamphetamine and her accomplices, Lam Tu Tran, Lam Kim Phung, Lam Dao Long and Le Quang Cuong were the next arrestees.Long (or Steven Dao Long) and Phung are Australian Vietnamese.The case is till under further investigation.