Private Kriengkrai Promfai, 22, lost his life and Private Siam sae Lao was badly injured while they were patrolling a road in tambon Banlae.
Police believe the bomb was hidden inside a metal box, the debris of which was found on the site.
Meanwhile, the owner of a restaurant in the area complained that her business was being badly affected by the zoning laws and the traffic changes introduced to prevent insurgents’ activities.
Prapai Lao said that after a series of insurgent attacks in Yala in October, the authorities had only left five entrances to the market open.
“Before I used to earn about Bt10,000 a day, but now I only get Bt1,000 a day,” she said, adding that she did not want the security measures revoked, but hoped they would be adjusted so people could visit the market more easily.