Unidentified saboteurs put burning tyres on 20 security cameras at 12 spots across Narathiwat in the deep South yesterday morning.
Thailand's southernmost region has been struggling with insurgency-related violence for nearly a decade.
Despite the ongoing talks, violent incidents continue to take place on a daily basis.
Nearly 100 people including teachers and children expressed their grief when they showed up at Pattani Airport to bid farewell to the dead soldiers, whose base was close to a school.
In a related development, the Southern Border Provinces Administration Centre and the Yala Buddhism Association have held a seminar to promote harmony in the southern border provinces.
Religious leaders in the South yesterday urged insurgents to refrain from any action against religious principles during Ramadan, and called on agencies to step up security measures.