While no terrorist organisation took responsibility for the bombings, General Thammarak Isarangkura na Ayudhaya indicated that Thai authorities had expected bomb attacks in Hat Yai sometime between 16 and 20 September to mark the first anniversary of the Gerakan Mujahidin Islam Patani (GMIP) separatist movement, which is a splinter group of the Gerakan Mujahidin Patani (GMP).
While no terrorist organization claimed responsibility for the bombings, General Thammarak Isarangkura na Ayudhaya indicated that Thai authorities had anticipated bomb attacks in Hat Yai between September 16 and 20 to commemorate the first anniversary of the Gerakan Mujahidin Islam Patani (GMIP), a splinter group of the Gerakan Mujahidin Patani (GMP).