Prime Minister Surayud Chulanont blamed Judgment_communication the `` old power clique '' as the group responsible for the bombings , referring to the deposed government of Thaksin Shinawatra as well as all those who had lost political power due to the 2006 military coup Change_of_leadership .

Both the Thai Rak Thai party and deposed Premier Thaksin Shinawatra denied Agree_or_refuse_to_act involvement .

In July 2005 , Prime Minister Thaksin Shinawatra assumed wide-ranging emergency powers to deal with the southern violence Violence , but the insurgency escalated further .

On 19 September 2006 , a military junta ousted Change_of_leadership Thaksin Shinawatra in a coup .