A combined 50-strong military and police force laid siege to a house in Rueso district of Narathiwat province early Sunday and arrested a former religious teacher suspected of taking part in a violent incident.
The operation occurred at 3.30am at house No 59 in Village Group 4 of tambon Riang in Rueso district.
Wae-aseng Nilubi, 43, a former religious teacher at a private school in tambon Balo in Raman district of Yala province was taken into custody.
He is suspected to be a member of a separatist group under Abdul Roheng Da-eso, alias Pele. He was also believed to be an informant reporting movements of government forces to the RKK and providing shelter for RKK members.
Mr Wae-aseng was taken to Narathiwat Task Force 30 headquarters for questioning.