More than 100 illegal Myanmar migrants were arrested when officials raided rented houses in Hat Yai district on Thursday night following the murder of a local man.
Officials said 109 illegal Myanmar nationals were arrested from 12 rooms at two rented houses.
Police had earlier arrested about 60 illegal migrants following the discovery of the gagged and bound body of Maddol Binsan, 40, on Wednesday morning.
Police believe he was murdered and buried in forest near a golf course after he came across a camp of illegal Myanmar job seekers waiting to be smuggled to Malaysia.
