Police in Chiang Mai have arrested four men they said belonged to a drug racket, seizing 600,000 methamphetamine tablets from one of them worth Bt180 million.

The suspects, paraded at a press conference at Don Mueang Airport in Bangkok, are Samran Saenluang, Phongsaphak Ruengkijsuwan, Somyos Laomee and Nopphorn Phanasirisomboon.

Read more: The Nation