Chiang Mai authorities seized 800,000 methamphetamine tablets and 10 kilograms of heroin while patrolling the Doi Ang Khang highway.
Fifth Cavalry Regiment Col. Narit Tavornwong and Fang District police announced the arrests June 16, detailing how soldiers and police stopped two vehicles carrying 10 people, the ya ba pills and heroin.
Authorities managed to arrest only eight of the 10 people.