An independent panel conducting autopsies on 12 bodies of the red shirts protesters who were killed when the red shirts protesters battled with troops revealed that nine of them were shot by high power rifles.
Pol Lt Gen Jongjet Aojenpong, a chief doctor of the Forensic Institute, a member of the panel, talked to reporters after completing 11 bodies.
Jongjet said that Hiro Muramoto , a Japanese television cameraman of Reuters news agency was killed by a gun bullet.
But detail of his autopsy was withheld at the family's request.
Muramoto was killed on Saturday as he was taking photos in the red shirts' sides.
Monchai Jong, 54, died from heart failure while a man whom he did not identify was killed at close range.
The independent autopsy panel announced that 9 protesters were killed by high-powered rifles while another protester died of heart failure due to chronic diseases.
High-powered rifles can only be used by specially trained gunmen particularly in the army.
