Children and Women Protection police raided the Pretty Boy Karaoke club, discovering both a gun and underage boys.
Manager Thawee Chongkhanklon, 35, was arrested in the Aug. 15 crackdown at the unlicensed club in Banglamung. Searching him, police found a loaded 38-caliber revolver.
Five underage boys were also found among the staff tending to Thai and foreign customers.
Thawee was charged with human trafficking, child exploitation, child labor, along with weapons and permit charges.
Pretty Boy Karaoke manager Thawee Chongkhanklon has been arrested and charged with multiple offenses.