A bomb killed a policeman and injured four others in Songkhla's Chana district while gunmen shot dead two paramilitary rangers in Narathiwat's Bacho district on Sunday evening.
In Songkhla, a bomb hidden in a bunker sandbag at a new security booth behind the Chana train station in tambon Ban Na was detonated at about 6pm.
The impact killed Pol Sen Sgt Maj Kosol Kongsawat instantly and injured Pol Lt Nipol Kaeonu, Pol Sen Sgt Maj Chamnan Sukmee, Pol Sen Sgt Maj Siri Thongthep and a woman.
Police said the bomb weighed about 15 kilogrammes and was fortified with chopped steel rods before being placed in the sandbag.
At 9pm, bomb experts combed the scene and the body of Pol Sen Sgt Maj Kosol was retrieved.
In Narathiwat, two pillion riders on two motorcycles fired seven shots and killed paramilitary rangers Somchai Chernchompu and Muhamadsawan Masae on a road in Ban Buenae Peeyae of tambon Palu Kasamoh.
The two paramilitary rangers were returning from a flea market where they bought food, and the attackers followed them.
National police chief Pol Gen Chakthip Chaijinda said on Monday that insurgents were escalating attacks at the end of the Muslim fasting month. He ordered police to intensify their security measures.
Police inspect the scene of a shooting where two paramilitary rangers were killed in Bacho district of Narathiwat on Sunday evening. (Photo by Waedao Harai)