Police arrested seven men with 252 kilogrammes of compressed marijuana on the bank of the Mekong river in That Phanom district of Nakhon Phanom province early on Sunday.
Pol Lt Col Chusak Thavornpoj, the That Phanom police chief, said the seven men were arrested at about 4am with the marjuana, smuggled from Laos, on the bank of the Mekong river at Ban Khap Phuang in tambon Nam Kam.
The police also seized two pick-up trucks and three motorcycles used by the seven suspects, who were initially charged with smuggling drugs into the country with intent to sell.