U.S. pop diva Lady Gaga arrived in South Korea late Friday, one week before a Seoul performance which will kick off her third concert tour.

The singer, wearing a floor-length low-cut white dress, white gloves and a pearl-encrusted mask, blew kisses to fans at Seoul's Gimpo airport who tried to snap her image on smartphones.

A German court is set to rule on whether the online video platform YouTube is responsible for the content of videos uploaded by its users.

GEMA, a German music royalties collecting body, took Google Inc.'s YouTube unit to the Hamburg state court over 12 uploaded music videos for which no royalties were paid.

Eleven Central African troops belonging to a regional border task force were killed in Sudan by rebels using gunfire and rocket-propelled grenades, officials said Friday.

"We deplore 11 deaths and nine wounded on the Central African side. The attack targeted the headquarters of the tripartite force based in Sudan in the Am Dafok region," a government source in Bangui said, adding the incident took place on Wednesday.

Thousands of women arrive at health clinics across the United States every year, facing the heavy burden of ending pregnancies that were unplanned and unwanted.

But in a growing number of states, before being allowed to have an abortion, women are compelled to undergo a procedure that lets a medical professional hear the fetus's beating heart and describe details about its development.

Chinese prodigy Guan Tianlang, 13, missed out on becoming the youngest player to make the cut in a European Tour event when he finished 12 over par after 36 holes at the Volvo China Open on Friday.

The Guangzhou schoolboy followed up his first round five-over-par 77 with a 79 at par-72 Tianjin Binhai Lake Golf Club. Guan was tied 150th out of 155 players in the $3 million event co-sanctioned by OneAsia.

Iraq's second of five floating Gulf oil terminals came online on Friday, adding 900,000 barrels per day to the country's export capacity, the head of the Southern Oil Company said.

"A ship with a capacity of 2 million barrels of oil has docked at the second floating oil terminal," and pumping has begun, Dhia al-Mussawi told a news conference in Basra.

Hackers claiming to come from China defaced the website of the Philippines' top university on Friday to assert their country's claim over the hotly disputed South China Sea, the government said.

The foreign department, which has been leading the government's response over its increasingly tense rift with China, immediately called for an investigation into the attack on the University of the Philippines website.

Suspected members of Islamist group Boko Haram have killed at least eight people, including a policeman, in separate attacks in restive northern Nigeria, police said Friday.

The attacks, which also wounded a policeman, occurred in three different cities, with most of the violence in Maiduguri, the capital of Borno state in Nigeria's northeast where Boko Haram has been based.

French Foreign Minister Alain Juppe declared on Friday that the U.N. observer mission in Syria needs to be able to guarantee Syrians the freedom to protest against Bashar Assad's regime.

"We need observers on the ground, but properly equipped observers with helicopters that can ensure the right to protest. It's extremely important. The day this freedom is guaranteed, the regime will not stand," he said.

The internationally-backed ceasefire in Syria is in a fragile state and the situation on the ground is not good, a spokesman for the plan's architect Kofi Annan said on Friday.

Ahmed Fawzi said there were new victims of violence every day.