BANGKOK - Four soldiers of teacher protection unit were killed while three others seriously wounded in a school attack at around 11:50 am Wednesday by unknown number of assailants.

A group of bandits opened fire and hurled grenades at the unit standing in front of Ban Lamoh Nok School to secure order and security of teachers and students in that school.

Some students got hurt in the sudden attack but no exact number could be primarily revealed by the authority. ?

The authorities sealed off the scene and started investigating.

In another insurgency took place at about 4:00 am in Muang district of Pattani province, some 20 men, presumed as insurgents, torched approximately 30 CCTV cameras on Pattani-Narathiwat highway lightpoles.

Police said the assailants used tyres and fuel-drenched cloth to torch the CCTV cameras. Earlier, some 150 cameras in the province have also been destroyed, the police added.

Since the resurgence of insurgency in January 2004, altogether over 4,500 people mainly authorities have been killed and more than 7,200 injured in over 10,000 violent incidents instigated by suspected secessionists in the Muslim-dominant southernmost provinces of Yala, Pattani and Narathiwat which were once independent sultanate of Pattani before being annexed by predominantly Buddhist state in 1909.