The Ministry of Public Security announced on Wednesday that authorities had dismantled the drug ring under Operation 126N, seizing nearly 90 kilograms of synthetic drugs, more than 6 kg of heroin, 6,386 ecstasy pills, 416 packets of drug-laced beverages known as "happy water," large quantities of nitrous oxide, or "laughing gas," seven firearms, 35 rounds of ammunition, 16 vehicles and nearly VND4.5 billion (US$172,000) in cash.

The operation involved officers from the ministry’s Drug Crime Investigation Department (C04), the Border Guard, Coast Guard, Customs authorities and police forces across 11 localities.

A suspect of a drug trafficking ring is under arrest in Vietnam. Photo by Ministry of Public Security

Months-long investigation

Authorities said investigators had uncovered an organized drug trafficking network that smuggled narcotics into Vietnam from overseas.