This is the fifth such scheme to be broken up in Cambodia in recent years, with cooperation from Chinese authorities, who are having to track extortion operations outside the country after a crackdown within it.
Park Geun-hye has won South Korea's presidential election, becoming the country's first ever female leader.
The declaration was passed at an Asean summit in Phnom Penh in November, despite objections by rights advocates.
Rights advocates worry about vague language in the declaration that could shield autocratic regimes from abiding by international human rights norms.
Cambodia has friendly relations with North Korea and open lines of communication with the communist country.
Prime Minister Hun Sen also urged North Korea to return to six-party talks over its nuclear program.
Diminishing local resources, poachers and ivory smugglers threaten survival of the nation's dwindling elephant population.
Rescuers in the Philippines are searching for survivors and rushing emergency aid to a quarter million people displaced after Typhoon Bopha.
A powerful typhoon hit the Philippines, sending thousands of residents fleeing to government shelters.
In a statement last week, the US State Department said it was “deeply concerned” that the declaration “could weaken and erode universal human rights and fundamental freedoms.”
Hundreds of Burmese villagers and monks protest the expansion of a Chinese-backed copper mine in northwestern Burma.
China's new leaders may want to resolve disputes through regional alliance, not through separate negotiations.