Indonesian authorities said Wednesday a major Hong Kong drug lord had been arrested and more than 860 kilograms (1,900 pounds) of crystal methamphetamine seized, following a three-year investigation into a global syndicate.

Three other Hong Kong residents, as well as a Malaysian and four Indonesians, were also detained in the "massive" bust on Monday, and all could face the death penalty, National Narcotics Agency spokesman Sumirat Dwiyanto told Agence France Presse. 

Prayers, tears and solemn visits to mass graves marked the start of commemorations Friday across tsunami-hit nations for the 220,000 people who perished when giant waves decimated coastal areas of the Indian Ocean a decade ago.

On December 26, 2004 a 9.3-magnitude earthquake off Indonesia's western tip generated a series of massive waves that pummeled the coastline of 14 countries as far apart as Indonesia, Thailand, Sri Lanka and Somalia.

At least four teenagers were shot dead in eastern Indonesia's restive Papua province in clashes with security forces, authorities said Tuesday, although rights campaigners accused police of opening fire on protesters.

Monday's incident was the latest flare-up in violence in the eastern region, where poorly armed fighters have been waging a low-level insurgency against Jakarta for decades on behalf the mostly ethnic Melanesian population.

Two French journalists were Friday handed short jail terms for illegally reporting in Papua, sparking calls for the new Indonesian government to lift long-standing restrictions on foreigners covering the restive province.

Thomas Dandois, 40, and Valentine Bourrat, 29, were each given a two and a half month jail term, but will walk free on Monday after having already served the time in custody awaiting trial. 

Indonesia's powerful anti-corruption agency on Wednesday named the energy minister a suspect in a corruption case, the third member of the Cabinet to become embroiled in a graft scandal in recent times.

Five separatist rebels were shot dead in an exchange of gunfire with the Indonesian military Friday in the country's easternmost province of Papua, a commander said.

Indonesia's main opposition party nominated the hugely popular governor of Jakarta, Joko Widodo, as its presidential candidate Friday, setting him up as the leading contender for July elections.

Surveys have shown that Widodo, affectionately known nationwide as Jokowi, would claim the presidency by a long shot if nominated.

Malaysia said Friday it was dramatically expanding the already vast scope of its search for a missing passenger plane, admitting it was no closer to solving the agonizing aviation mystery a week after the jet vanished.

"The aircraft is still missing, and the search area is expanding," said Transport Minister Hishammuddin Hussein.

Representatives of 22 nations pledged their support for Palestinian development Saturday, but the U.N. urged more action for refugees "in need of aid" in an "increasingly dire" situation.

The Conference on Cooperation among East Asian Countries for Palestinian Development (CEAPAD) in Jakarta ended with Japan -- one of the world's biggest donors to the Palestinian Territories -- pledging $200 million, most in financial assistance to the Palestinian Authority and for infrastructure development.

U.S. Secretary of State John Kerry visited Southeast Asia's largest mosque during his visit to Indonesia Sunday, paying tribute to Islam in the world's most populous Muslim-majority nation.

After removing his shoes outside the Istiqlal mosque in the heart of Jakarta, Kerry walked through the vast building accompanied by grand imam Kyai al-Hajj Ali Mustafa Yaqub.