Two Chinese coastguard ships sailed through disputed waters off Japan-administered islands in the East China Sea Saturday, officials said, as the United States warned Beijing over increasing territorial assertiveness.

The Japanese coastguard said the vessels entered the 12-nautical-mile band of territorial waters around one of the Senkaku islands, which China also claims and calls the Diaoyus, around 10 am (0100 GMT).

Three people were killed in the capital of the Central African Republic Friday in violence coming just days after a deadly church attack in which 27 people were kidnapped.

The victims were thought to have been killed after peacekeepers opened fire on thousands of anti-government protesters.

Australian Prime Minister Tony Abbott will visit France for the 70th anniversary of the D-Day landings, before traveling to the United States and Canada, he said Saturday.

Abbott said he would join French President Francois Hollande and other heads of government at the British services at the Bayeux Cathedral and Cemetery and the international ceremony at Sword Beach, Ouistreham.

People were wondering what had happened to the "Indignants", the protesters who swamped Spanish squares in 2011 to demand political change.

The protests may have lessened, but just when Spain was least expecting it, the Indignants have surged back -- not in the streets but in the polls.

China will try eight people linked to a car-bomb attack in Beijing's Tiananmen Square last year, prosecutors said, as the government escalates a crackdown on violence emanating from its restive Xinjiang region.

Three ethnic Uighurs from the western region drove a car loaded with petrol canisters into the gate of the Forbidden City in October, an attack that left two dead, besides the three people in the car, and 40 injured.

More than 100 armed Rwandan rebels from a group linked to the 1994 genocide in their homeland turned themselves in Friday in the eastern Democratic Republic of Congo, a decision welcomed by the U.N.

The rebels are members of the Democratic Forces for the Liberation of Rwanda (FDLR) which includes remnants of the militia that carried out the genocide of at least 800,000 ethnic Tutsis according to the world body and which is now based in DRC.

A soldier and 16 Taliban militants were killed Saturday after an ambush on a border post in Pakistan's restive northwestern tribal area, military officials said.

"Up to 200 Taliban militants from across the border attacked a group of Pakistani posts and at least 16 militants were killed in the fierce fighting," a senior military official told Agence France Presse.

Mustafa Sarisuluk didn't even recognize his brother as he watched his limp body being carried to an ambulance after being shot in the head during protests in Ankara last year.

"Thousands were at the downtown Kizilay square in Ankara, under massive plumes of tear gas fired by the police billowing into the air. I knew Ethem was there. So was I," Mustafa, 33, told AFP, recalling the anti-government demonstrations that swept the country a year ago.

U.S. President Barack Obama will meet Ukraine's president-elect next week during a European tour aimed at shoring up regional security amid reports that a second team of European monitors went missing in the country's restive east.

The meeting in Warsaw will come less than two weeks after pro-European Petro Poroshenko, a chocolate tycoon, was elected in the shadow of a showdown between Washington and Moscow over the fate of Ukraine that has brought relations to their lowest level since the Cold War.

A Thai tanker is thought to have been hijacked on its way from Singapore to Indonesia, the International Maritime Bureau said Saturday, following a number of pirate attacks in Southeast Asian waters.

The diesel oil tanker MT Orapin 4, with 14 crew aboard, lost contact with its owner after departing the city-state on Tuesday, IMB's Kuala Lumpur-based Piracy Reporting Center said.