The students were having lunch at the canteen of Wat Thung Salika School at 11:30 am when they heard an explosion so they ran for cover.
It was late found that the explosion caused by a shell fired from a tank for training from the training ground of a cavalry unit from the other side of the mountain.
Captain Prakorb Imjai, who is in charge of the training, said the shell was not dangerous because it had no shrapnel and made only explosion sound.
The Nation
