At least people were injured after what believed to be a homemade bomb exploded at a road-side shopping area on Ramkhamhaeng Road near the Ramkhaeng University Sunday night.
Police said the explosion occurred at 8:50 pm at the front of Soi Ramkhamhaeng 43/1.
Bomb squad officers were checking the scene. Police said nails were found scattered at the spot so the bomb was believed to be a homemade one.
The blast damaged two shops.
An eyewitness told police that the explosion happened at a garbage bin.
The area was sealed off by police.