A teacher was injured when a bomb planted in a drain was detonated while a morning motorcade of teachers escorted by soldiers was passing by in Bacho district of Narathiwat province Monday morning.

Soldiers inspect the bombing scene in Bacho district, Narathiwat, on Monday. (Photo by Waedao Harai)
The attack happened at a junction at the entrance of Ban Buecho village in Bacho sub-district of Bacho district about 8.30am. The intersection is about 150 metres off a main road and is on the route followed by motorcades guarded by soldiers taking teachers to schools.
The bomb was made of explosives stuffed into a 20-kilogramme gas cylinder and detonated by radio, police said. Somjit Wongketjai, 59, a teacher at Ban Buecho School, received a slight shrapnel wound to her leg.
Mrs Somjit was riding her motorcycle in the motorcade. The bomb explosion damaged a pickup truck carrying six soldiers, blowing it off the road.
Authorities blamed southern insurgents.