About 150 Thai and foreign customers were arrested at a pub operating after hours Sukhumvit Soi 11 in the early hours of Thursday.
The Insanity nightclub was raided about 3am by officials from the Department of Provincial Administration’s law enforcement operations centre.
About 150 people were inside, most of them dancing to music.
There was no social distancing to prevent the spread of Covid-19, said the director of the DPA centre, who led the raid.
Most of the people were not wearing face masks. All of them tried to leave when officials arrived; all were caught.
Some discarded drugs were found on the floor and in the bathrooms, he said.
All customers were made to give urine samples for drug testing. Some tested positive.
The raid followed complaints from local residents that the pub stayed open beyond legal hours every night.
The nightclub was operating without a permit, sold alcoholic drinks after hours, and stayed open to around 4am every night. Management also failed to enforce Covid-19 prevention measures.
The pub operator would face criminal action.
The police would look into whether the police had demanded money from the club.
