A Russian firefighter points a water cannon at a burning floating restaurant engulfed in smoke on the Moskva River in Moscow on Friday. Ivan Sekretarev/AP
At a facility in Fort Jackson, La., Dr. Erica Miller (l.) and Danene Birtell, with Tri-State Bird Rescue and Research, work on a Northern Gannet bird, normally white when full grown, which is covered in oil from a massive spill in the Gulf of Mexico. Alex Brandon/AP
A puppy yawns as an animal rights activist is interviewed in Bucharest, Romania, during a protest against a planned killing by authorities of the stray dogs in the Romanian capital. About 200 people demonstrated Friday over a proposal to euthanize thousands of stray dogs after 11,000 people were bitten in the capital last year. Vadim Ghirda/AP
A GI Joe figure equipped with a parachute dangles from a light following a kickoff event where 300 such figures were launched from the rotunda of the Rhode Island Statehouse in Providence for the 2010 International GI Joe Collectors' Convention on Friday. Stew Milne/AP
Performers participate in the opening ceremony of the Shanghai World Expo 2010 in Shanghai, China. The World Expo will run from May 1 to Oct. 31 with nearly 70 million visitors expected to attend. Aly Song/Reuters
Robert Fear, of Chandler, Ariz., makes a last minute check of his hot air balloon before lift off on Friday morning to help kick off the Old Timers Balloon Rally in Roswell, N.M. Mark Wilson/Roswell Dairy Record/AP
Fireworks explode in Shanghai during the opening ceremony of the Shanghai World Expo 2010. Philippe Lopez/David Atkins Enterprises/PRNewsFoto
Women react during a race before the 136th running of the Kentucky Oaks horse race at Churchill Downs in Louisville, Ky., on Friday ahead of the Kentucky Derby on May 1. Rob Carr/AP
The oil slick in the Gulf of Mexico is seen in this Terra satellite image taken on Thursday. The huge spreading oil spill washed up to coastal Louisiana wildlife and seafood areas on Friday and the US government and military struggled to contain the oil and avert what could become one of the nation's worst ecological disasters. NASA/Reuters
Dallas Cowboys' head coach Wade Philips (l.) demonstrates a drill with a yellow rubber ball to running back Herb Donaldson during rookie football minicamp at Valley Ranch in Irving, Texas, on Friday. LM Otero/AP
Former Interior Minister Charles Pasqua looks through a window before the verdict of his trial in Paris on Friday. The senator who was France's top cop and a powerful adviser in French politics has been convicted by a special court of corruption involving lucrative police equipment contracts. Jacques Brinon/AP
US Army Spc. Caleb McGoldrick plays catch late in the afternoon at a forward base in the Maiwand district of Afghanistan's Kandahar Province on Friday. Julie Jacobson/AP
Syria's healthcare system has been afflicted by four years of war. In Raqqa, a militant-run city, unsafe medical practices and risky behavior by jihadists have heightened the danger of HIV/AIDS spreading widely.
ByDominique Soguel, Correspondent
The Islamic State has lured thousands of foreign fighters and their families to Syria with the promise of building a utopian caliphate. And even Syrians living in IS-run cities like Raqqa say it is providing basic governance, in a country roiled by civil war.