A computer-engineering lecturer at a university was arrested in a sting operation and found with 40 ya ba tablets in Chiang Mai's Hang Dong district, police said yesterday.
Suchart reportedly told police that he took ya ba to relax and to stay awake late every night to repair computers as a side job, said Pol Lt-Colonel Manit Janthanupongsa of Hang Dong precinct. Suchart told police that he sold ya ba to his younger acquaintances only occasionally.

