Three people were killed in two separate attacks on Sunday night in Yala province.
About 11pm, Aree Topho, 21, a villager, was shot three times in the chest while travelling on a motorcycle on a road near Ban Prama in tambon Sateng Nok of Muang district by the pillion rider of another motorcycle.
He died later at the hospital. Police were investigating.
About the same time, Maso Wateh, 55, an assistant village chief, and Awae Juyo, a village defence volunteer, were killed when the pillion riders of two motorcycles opened fire at their car with an AK47 and M16 rifles.
The attack happened on Thathong-Raman road in Raman district of Yala.
Police blamed southern militants.
Also on Sunday night, in nearby Pattani province, insurgents opened fire at the outpost of a unit of Task Force 26 at Ban Chalako in tambon Manang Dalam of Sai Buri district with small arms, but inflicted no casualties.
A team of six soldiers were rished from a nearby outpost at Wat Sakkhi in tambon Lahan to Ban Chalako on receiving a request for reinforcements.
While their pick-up truck was passing a village on Sai Buri-Kapho road in tambon Manang Dalam, the vehicle ran over a bomb which detonated.
All six soldiers, led by Capt Suchart Rodpol, in the vehicle were wounded in the explosion.
The other wounded soldiers are M/Sgt Therdthai Thongwan, M/Sgt Sithisak Sangkham, 37, M/Sgt Ekachat Sawiphan, 45, M/Sgt Wattana Wilanokrum, 43, and Pvt Ekapong Chanchula, 22.