No claim of responsibility has yet been made for the attack on the hospital, which treats members of the military as well as civilians.
Thailand's ousted prime minister Yingluck Shinawatra says she will 'use every channel available to fight' against the order.
Rights organisation says Thai soldiers and police torture detainees using techniques such as waterboarding, smothering with plastic bags and electric shocks.
Subscribe to our Youtube channel for all latest in-depth, on the ground reporting from around the world.
Copyright © 2020 TRT World.