Explosive ordnance disposal (EOD) police said the explosion last night in a garbage bin near the Government Lottery Office on Ratchadamnoen Avenue that injured two city cleaners was caused by a pipe bomb.
It was pipe bomb because EOD police inspecting the scene found part of the electronic circuit believed to be iused to set the time, and a pipe.
A meeting was called today at Chanasongkram police station to determine the motive of the perpetrator leaving the low-pressure pipe bomb in the garbage bin.
Initially the police believed the perpetrator did not intend on life or damage to property as it was just a low-pressure homemade pipe bomb.
The actual motive would be assessed by the police at the meeting today.
According to the two cleaners, after they poured litter into the bin near the former GLO headoffice, the bin exploded.
Source: Thai Public Broadcasting Service (Thai PBS)