Indonesia warned Wednesday that it could be hit by a small tsunami generated by an 8.2-magnitude earthquake that struck off Chile's Pacific coast, and told residents to stay away from beaches.

Tsunami waves up to half a meter (1.6 feet) high "will possibly affect several areas in Indonesia" from early Thursday, said disaster agency spokesman Sutopo Purwo Nugroho.

Russia on Wednesday accused NATO of succumbing to "Cold War" instincts after the alliance suspended all cooperation with Moscow over the Crimea crisis.

"Basic instincts of Cold War have awoken in NATO, affecting rhetoric accordingly," the official Twitter page of Russia's mission to NATO quoted envoy Alexander Grushko as saying.

The International Rescue Committee urged the world Wednesday to redouble efforts in Afghanistan, demanding an urgent aid commitment to reverse deteriorating social and economic trends as violence escalates.

The appeal comes three days before Afghans elect a successor to President Hamid Karzai, as NATO combat troops withdraw and the international community slashes aid.

South Korea said Wednesday it had evidence suggesting an unidentified drone that crashed last month near the northern city of Paju was of North Korean origin.

Korean words on batteries recovered from the unsophisticated unmanned aerial vehicle were of a type only used north of the border, a defence ministry spokesman said.

Remains believed to be those of three American servicemen killed in Cambodia more than four decades ago during the Vietnam War were repatriated Wednesday for identification in the United States.

The remains were recovered by a team of Cambodian officials and members of the U.S. Joint POW/MIA Accounting Command (JPAC) in eastern Kampong Cham province, according to the US embassy.

A Frenchwoman has become the fourth foreign student to be brutally murdered in the Australian city of Brisbane in almost as many months, police said Wednesday.

The battered and naked body of a 21-year-old woman was found in a park near her apartment after what police called "a brutal attack" in the early hours of Friday morning.

Colombia's army said it killed six FARC rebels and captured eight on Tuesday in a fierce and prolonged clash that came against the backdrop of ongoing peace talks.

The incident took place in Tumaco, southern Colombia, in Narino department, the army reported.

Venezuelan police blocked an opposition lawmaker from returning to the legislature to retake her seat on Tuesday and fired tear gas to disperse a crowd of her supporters.

In a direct challenge to President Nicolas Maduro, Maria Corina Machado had vowed to attend the National Assembly, despite her removal from office being confirmed Monday by the Supreme Court.

China should press North Korea to give up its nuclear weapons if Beijing wants to change U.S. troop plans in the region, a U.S. official said Tuesday.

Danny Russel, the assistant secretary of state for East Asia, acknowledged that a growing China has been unhappy with efforts by the United States to strengthen defense cooperation with allies Japan and South Korea.

Congress easily passed a U.S. aid package for Ukraine on Tuesday that includes sanctions against Russia for annexing Crimea, in U.S. lawmakers' first binding response to the crisis.

The House of Representatives voted 378 to 34 to approve the bill, which the Senate green-lighted last week, meaning the bill, including $1 billion in loan guarantees to Ukraine, now goes to President Barack Obama for his signature.