The officers escorted over 220 people at the club to the police station for further verification.
Among them, over 100 tested positive for narcotics.
Further investigation is ongoing to determine the violation of each individual.
According to current law, the illegal use of stimulants is punishable by a fine worth VND500,000-1 million (US$21-42).
Those who arrange for others to use drugs may face jail terms lasting two to 20 years, or lifetime imprisonment, depending on the severity of the offense.