Bomb attack in Narathiwat injures four

The attack took place at the gate of the province's Muang district office at about 8.30am.

Police believed the explosives, about five kgs, were hidden in a motorcycle parking in a parking lot of the office.

Initial police investigation showed that the the three volunteers were guarding at the parking lot when a man parked his motorcycle and walked to the office.

About two minutes later, the explosives hidden in the motorcycle went off.