The ring was operating via a website, 3in1bet.com, with gambling in the form of football bets.
Lưu Văn Nam, 29, from Vĩnh Yên City, was identified as the leader of the ring.
The police also seized some computers, mobile phones and currency.
Within just six months between June and December 2017, the ring organised 14,000 bets on regional and international football tournaments, police said.
The case is under further investigation. – Đức