Pol Col Pahon Katekaew of the Region 4 police announced the arrest of three men and one woman and the seizure of 135 kilos of crystal meth worth 135 million baht.
Naew Na reported that police became aware of drugs being moved in Songkhla province in the far south of Thailand.
A Honda Jazz and a Toyota Vios were traced to a resort in the Khao Roop Chang sub-district.
The police found the drugs in fertilizer sacks in a room at the resort but there were no suspects to arrest on June 8th.
But soon on the same day Withoon, 23, and Akkrawin, 22, both from Chonburi were arrested nearby.
Two other suspects – Phanupong, 32, from Samut Sakhon and Orawan, 24 from Bangkok – were intercepted in a minivan in Nakhon Sri Thammarat after they had fled to Hat Yai bus station and taken public transport north.
They have all been charged with possessing and dealing in Class 1 drugs.
The drugs were supplied by a person called “Boy” or “Tee” who paid the mules 300,000 baht to deliver them to Tak Bai in Naratiwas province on the border with Malaysia.