Officials blamed Xinjiang separatists for the frenzied violence at a crowded train station.
The PP government had tried to blame Basque separatists for the attacks, despite mounting evidence that Islamist jihadis were responsible.
The Liberals, strong advocates of national unity, picked up 11 new seats in the French-speaking province, winning more votes than the separatists for the first time since 1980.
Mr. Somchai blamed Muslim separatists for the bombs, which both exploded in Narathiwat Province, which has a Muslim majority and an active Islamist insurgency.
Like many others, including Politkovskaya, Litvinenko had accused the Russian President of creating a pretext for the Second Chechen War in 1999 by blowing up buildings in Moscow and then blaming Chechen separatists for the attacks.
The defence ministry blamed separatists for the shelling of the trolleybus in the city centre, saying their own forces were 15km away.
Kiev blamed the separatists for the attack but they denied responsibility.
Ukrainian officials blamed separatists for the attack on the plane, a Malaysia Airlines Boeing 777 that was traveling from Amsterdam to Kuala Lumpur.
A senior Beijing official blamed "radical separatists" for the series of clashes in Hong Kong last week between food vendors and police that have been dubbed the "Fishball Revolution".
The army's own internal-service law allows it to intervene in defence of secularism and "the indivisible unity of the state" when these are perceived to be at risk from Kurdish separatists, for example.
