Bulgarian physicians release pigeons with national flags attached to them, during a protest in Sofia. Physicians and medical workers rallied to demand acute reforms and adequate financing of Bulgaria's health-care sector. Valentina Petrova/AP
President Obama and the leaders of NATO's 27 other member nations opened a two-day summit Friday. Mr. Obama, center, listens to the American national anthem standing next to Portuguese President Anibal Cavaco Silva during the arrival ceremony at the Belem National Palace in Lisbon, Portugal. The summit is aimed at finding ways to keep the cold war alliance relevant in the 21st century with revamped roles including ballistic missile defense, antipiracy patrols, and counterterrorism. Victor R. Caivano/AP
Harry Potter fan club members attend the premiere of the film 'Harry Potter and the Deathly Hallows, Part 1' directed by David Yates, at Karo Film Varshavsky Express Cinema in St. Petersburg, Russia. Newscom
Brazil's President Luiz Inacio Lula da Silva (third r.) attends the launch ceremony for the newly built oil tanker called Sergio Buarque de Holanda at the Maua shipyard in Niteroi, near Rio de Janeiro. Sergio Moraes/Reuters
A South Korean kindergartner poses for a photograph in between a South Korean Army helicopter and a portrait of a North Korean boy defector at the Korean War Memorial Museum. The United Nations Third Committee passed resolutions condemning the human rights situations in North Korea and Burma on Thursday. Jo Yong-Hak/Reuters
Two southern Sudanese girls rest on board a boat en route from Kosti to Juba. The girls join thousands of southern Sudanese who have left northern Sudan in order to register and vote in South Sudan's independence referendum scheduled to take place on Jan. 9, 2011. Registration for the vote commenced throughout the south on Monday. While registration centers will be open in the north, some southerners fear that their votes may be discarded if cast there. It is estimated that more than 2 million southern Sudanese live in northern Sudan. Pete Muller/AP
A Palestinian woman looks out from her house as a shadow from a demonstrator is cast on the wall during a weekly demonstration supporting Palestinians evicted from their homes in the east Jerusalem neighborhood of Sheikh Jarrah. Tara Todras-Whitehill/AP
Men fish along the shoreline near an old castle in the port city of Alexandria. Asmaa Waguih/Reuters
A glassmaker works on a handcrafted Christmas tree decoration at the International Glass Art Center in Meisenthal, northeastern France. Local lore says that the craft of making these glass balls was invented in the 19th century at the Vergo glass factory in the nearby village of Goetzenbruck and was been reintroduced at the Glass Art Center in 1998. Vincent Kessler/Reuters
A man cycles along a foggy tree lined avenue in Victoria Park in Leicester, central England. Darren Staples/Reuters
Sri Lankan President Mahinda Rajapaksa smiles as he walks the red carpet at the Presidential Secretariat after taking the oath of office in Colombo. Rajapaksa took oath for his second six-year term on Friday after having won elections in January defeating his former Army commander who, along with him, helped to win a 25-year war. Andrew Caballero-Reynolds/Reuters
An employee works at Don Boat Company Skif, a boat factory in Rostov-On-Don, southern Russia. The company employs around 50 workers and produces fishing boats and pleasure yachts according to its website. Vladimir Konstantinov/Reuters
New recruits of the Indian Border Security Force (BSF) march during the passing out parade ceremony in Humhama, on the outskirts of Srinagar, India. A total 715 recruits formally inducted into the BSF, will join Indian soldiers fighting separatist Islamic guerrillas in Kashmir to help end an insurgency that started in 1989. Dar Yasin/AP
Thai antigovernment 'red shirt' protesters light candles arranged in the shape of a heart as they gather at Bangkok's shopping district. Thousands of antigovernment protesters gathered to mark the six-month anniversary of a deadly military crackdown in the same shopping district they occupied during the April to May unrest that killed 91 people and wounded at least 1,800 in the worst political violence in modern Thai history. Sukree Sukplang/Reuters
Giant panda cubs are seen before a group photo is taken at the Bifengxia panda breeding center in Yaan, Sichuan. A total of 16 panda cubs, born in 2010, made their first appearance in public during a photo opportunity at the breeding center on Friday, China Daily reported. China Daily/Reuters
Photos of the Day: Photos of the day 05/24
In Pictures: Ultra-Orthodox Jews
Photos of the Day: Photos of the day 05/23
In Pictures: Huge hurricanes
In Pictures: Oh to be young again, Mr. President!
In Pictures: Facing the devastation of the Oklahoma tornadoes
Photos of the Day: Photos of the day 05/22
Photos of the Day: Photos of the day 05/21
In Pictures: Sinkholes around the world
The suspected killers of a British soldier in London this week claimed to have acted in response to the West's 'war on Islam' – raising concerns that their view is shared by more European Muslims.
After two men butchered a British soldier in broad daylight Wednesday cameras captured them uttering: "We must fight them as they fight us. An eye for an eye, a tooth for a tooth,” said one.
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