The police have detained eight persons from the ring for investigations.
They include Lê Đình Hà, Trần Đức Việt, Nguyễn Mạnh Vinh, and Đặng Duy Nam, apart bfrom Nguyễn Đức Nghĩa, Nguyễn Hữu Đức, Vũ Văn Lực and Nguyễn Ngọc Tuấn.
All the suspects live in Hà Nôi and are between the ages of 21 and 52, the police said.
According to the police investigation, in early April, Lê Đình Hà offered an account and password on website bong88.com to Trần Đức Việt and Nguyễn Mạnh Vinh, along with US$15,000 (VNĐ330 million).
After taking over the account, Việt and Vinh divided the main account into smaller accounts with specific instructions and passed them on to the other accused who would use it for betting on football matches.
Under the agreement, $1 could exchange between VNĐ30,000 and VNĐ60,000 while betting.
The case is under further investigation and more arrests are expected.