Launch the Telegraph , Sunday ( 01/19/2014 ) , Erawan medical center said the injured were immediately taken to four different hospitals in Bangkok . However , it is unclear what caused the blast occurred .
On Saturday night , an unknown gunman opened fire on anti - government protesters in other places outside the capital . The firing of at least one person injured .
While one day earlier , an explosive was thrown at a crowd of protesters who were marching , killing one person and injuring dozens more . It is unclear who is behind the violence.
Previously , mass anti - government protests continue in Bangkok , Thailand . Despite earlier protests had suffered a grenade blast , anti - government party is not afraid of the threat occurring .
The explosion occurred when a protest by the group " Yellow Shirts " occurred in Bangkok , Friday, January 17, 2014 . The explosion allegedly intended to destroy the moral masses who want to depose Prime Minister Yingluck Shinawatra .
