The police bomb squad, led by Pattani police deputies Pol Colonel Prappol Meemongkol and Pol Colonel Kwandee Chimplee, collected bomb fragments for further investigation. They suspect the attack was carried out by the Runda Kumpulan Kecil’s new generation of insurgents. The bomb, a battery-powered booby-trap device in a 25kg cooking gas cylinder, left a hole 80cm wide and 50cm deep.