A 31-year-old man – allegedly part of a Hmong drug trafficking ring that used to trade with the Laota Saenli network – was arrested with 170,000 ‘yaba’ pills and three kilograms of crystal meth or “ice” in Pai district in Mae Hong Son on Wednesday, acting chief of the Narcotics Suppression Bureau Pol Maj General Sommai Kongwisaisuk has said.