Bomb explodes near Chitralada Palace Saturday night.
Only one man was inured by broken glass from the phone both that the bomb was in.
The phone booth is located on the corner of Rajvithi Road Soi 24.
The police set up road checkpoints around the palace on around-the-clock basis after the bomb, bomb dogs was deployed to check the surrounding area.
Adisorn said police bomb experts found that the explosives used in the bomb did not have high destructive power so the bomb was not aimed to cause high damages or loss of lives.
There were no sharp nails or other things inside the bomb it was just there to create a disturbance and make people worried not to hurt anyone.
According to the Police the explosion was like the bombing at the Major Ratchayothin department store.
The Bangkok governor said he would convene a meeting of directors of all 50 Bangkok districts to order them to step security in the capital.
