An Indian Jammu and Kashmir Armed Police (JKAP) soldier stands guard in central Srinagar, April 20,2012. Unidentified gunmen shot dead Sukhpal Singh of the Jammu and Kashmir police, in downtown Srinagar today. An armed insurgency against Indian rule in Kashmir has claimed 47,000 lives since 1989 with separatists putting the toll twice as high. (Tauseef Mustafa/AFP/Getty Images)

Sporting's fans wave their team scarves moments before the UEFA Europa League semi-final football match against Athletic Bilbao in Lisbon, Portugal, April 19, 2012. (Patricia de Melo Moreira/AFP/Getty Images)

A woman feeds the hens in her flooded hen house in the town of Kholui, the upper Volga, Russia during spring floods. (Vladimir Smirnov/Corbis)

Philippine firemen extinguish a fire at an informal settlers' housing in Manila, April 20, 2012. Around 150 families from an informal settlement area lost their homes, no one was reported killed in the incident according to local authorities. (Noel Celis/AFP/Getty Images)

Two Chadian boys sit down on the sand together next to a tree in Tchyllah, a desert village in the Sahel belt of Chad, April 19, 2012. UNICEF estimates that 127,000 children under 5 in Chad's Sahel belt will require lifesaving treatment for severe acute malnutrition this year, with an estimated 1 million expected throughout the wider Sahel region of West and Central Africa. (Ben Curtis/AP Photo)

An Afghan man sprays water onto the beak of his rooster during a break in between rounds during a weekly cockfight gathering in the Afghan capital Kabul on April 20, 2012. Cockfighting, known as "Murgh Janghi" in the Afghan Dari language, is a popular game among Afghans during the winter season which was banned by the Taliban rulers. (Johannes Eisele/AFP/Getty Images)

The Little Girl Giant Marionette makes it's way through the streets of Liverpool as the Titanic Sea Odyssey giant puppet spectacular gets underway, April 20, 2012 in Liverpool, England. Over the next 3 days, French street theatre company Royal De Luxe will be performing Sea Odyssey with the giants coming to life telling a story inspired by The Titanic. (Christopher Furlong/Getty Images)

A montage image made from over 200,000 children's self-portraits is projected on to Buckingham Palace in London, Britain, April 19, 2012. The giant montage of Britain's Queen Elizabeth II will be projected on to the front of Buckingham Palace for 3 days to celebrate the start of the Diamond Jubilee. (EPA)

Children play on an interactive piece of artwork by Jeremy Deller, Sacrilege, at the Glasgow International Festival of Visual Arts, April 20, 2012 in Glasgow, Scotland. Deller's Sacrilege is a full scale inflatable replica of Stonehenge, one of the UK's most recognizable heritage sites. The festival is showcasing more than 130 artists across 50 of Glasgow's exhibition venues. (Jeff J Mitchell/Getty Images)

A steward stands outside one of the shooting arenas during the Olympic Shooting test event and world cup at the Royal Artillery Barracks in Woolwich, London, April 20, 2012. (Matt Dunham/AP Photo)

A Nepalese man carries bricks on his head at a brick factory in Imadol on the outskirts of Katmandu, Nepal, April 20, 2012. (Niranjan Shrestha/AP Photo)

Italy's Ice Dance pair, Anna Cappellini and Luca Lanotte perform during the free dance event of the World Team Trophy 2012 figure skating competition in Tokyo, April 20, 2012. (Toshifumi Kitamura/AFP/Getty Images)

Nico Rosberg of Germany and Mercedes GP drives during practice for the Bahrain Formula One Grand Prix at the Bahrain International Circuit, April 20, 2012. Authorities in Bahrain have stepped up security around the Formula One circuit at the start of the controversial Grand Prix racing weekend. (Mark Thompson/Getty Images)