Pol Gen Chalermkiart Sriworakhan, deputy commissioner of the Royal Thai Police, said the Narcotics Suppression Bureau had arrested Thais Sathaporn Thobbundit, Poonsawat Phosu and Ritthichai Thassakorn and Lao national Sunprasert Aiyawan in Maha Sarakham.
He said the pickup carrying the quartet was tracked from Udon Thani after bringing the drugs across the border and stopped in Maha Sarakham.