Mahasarakham police seized 392,000 methamphetamine pills on Wednesday night after a tip-off led to the arrest of five suspects.
Pol Maj Gen Chalong Pakpinyo, deputy commissioner of the Provincial Police Bureau 4, identified the five suspects as Sophon Promsome, 25, Thanee Paraphu, 32, Natpakal Chantharat, 19, Witthawat Hassadee, 20, and Warakorn Klin-ocha, 23, at a press conference on Thursday.
All the suspects are residents of Kalasin, Chalong said.
Mahasarakham police chief Pol Maj Gen Apisak Dejakhamphu said they received a tip that a gang would smuggle in meth pills from Laos on Wednesday.
Police staked out the Kanthara Wichai-Yang Tarad road near the Huay Pla Lod Bridge in Moo 5 village in Tambon Khok Pha and the area around kilometre marker 189 on the Thinanon Road.
Police at the Huay Pla Lod Bridge saw a black car arrive and two men left a bag.
Later, police a the Thinanon Road saw the same black car arrive and two men left another bag there.
Another police team followed the car and stopped it in Muang district where they arrested Sophon and Thanee.
Natpakal was arrested at the bridge after he rode his motorcycle to pick up the bag that contained 192,000 meth pills.
Police arrested Witthawat at another location when when arrived on a motorcycle to pick up the other bag which contained 200,000 meth pills.
Natpakal and Witthawat implicated Warakorn who was arrested at his house in Kalasin.