A Palestinian sets fire to a tire during clashes between hundreds of Palestinians and Israeli soldiers outside the Ofer prison after a march marking the 65th Nakba day or "Day of Catastrophe" on May 15, in Betunia near the West Bank city of Ramallah.

A mounted Israeli policeman tries to disperse Palestinian protesters waving their national flag during clashes as demonstrators gathered outside Damascus gate in Jerusalem on May 15, to mark the 65th Nakba or "Day of Catastrophe"

A Palestinian protestor holds a Molotov cocktail and a lighter, ready to be used against Israeli security forces during clashes to mark Nakba Day near the West Bank city of Ramallah May 15. Palestinians clashed with Israeli forces in the occupied West Bank and at East Jerusalem on Wednesday during demonstrations to mark 65 years since what they call the Nakba (Catastrophe) when Israel's creation caused many to lose their homes and become refugees.

Palestinian protesters are stopped by Israeli soldiers during clashes after a rally marking Nakba Day in the Beit Omar village, north the West Bank city of Hebron, on May 15. Nakba Day is the annual day of commemoration of the displacement of Palestinians after the establishment of the state of Israel in 1948.

The mother of 22-year-old Ayten Calim mourns during her funeral in the town of Reyhanli in Hatay province, Turkey, near the Turkish-Syrian border on May 14. Calim was one of around 50 people to have been killed by two bomb attacks in Reyhanli over the weekend.

Relatives cover the body of 22-year-old Ayten Calim with a Muslim prayer rug and her wedding dress as they lower her into a grave in the town of Reyhanli in Hatay province, Turkey, near the Turkish-Syrian border on May 14.

People stand in a damaged building on May 14, at Reyhanli in Hatay, Turkey, just a few miles from the main border crossing into Syria. The death toll in twin car bombings in a Turkish town near the Syrian border has increased to 50 after another body was recovered and a victim died in hospital, the health minister was quoted as saying on May 14. The attacks also provoked a backlash against the nearly 400,000 Syrian refugees in Turkey. Government officials have repeatedly warned against provocations and said Turkey will maintain its open-door policy for Syrians fleeing the regime's crackdown.

A man works in a damaged building on May 14 at Reyhanli in Hatay, Turkey, just a few miles from the main border crossing into Syria.

A moment of silence in honor of the victims of the Boston Marathon bombing is observed on Boylston Street near the race finish line, exactly one week after the tragedy, on April 22, in Boston, Mass.

A woman wipes a tear at a memorial for the victims of the Boston Marathon bombing on Boylston Street near the race finish line, on April 22, in Boston, Mass. At 2:50 p.m., exactly one week after the bombings, many bowed their heads and cried at the makeshift memorial on Boylston Street, three blocks from the site of the explosions, where bouquets of flowers, handwritten messages, and used running shoes were piled on the sidewalk.

Officials line Boylston Street near the site of the explosions as they observe a moment of silence for the victims of the Boston Marathon bombings in Boston, Mass., on April 22.

Traders on the floor at the New York Stock Exchange join the moment of silence in honor of the Boston Marathon victims, on April 22.

Lt. Mike Murphy of the Newton, Mass., fire dept., carries an American flag down the middle of Boylston Street after observing a moment of silence in honor of the victims of the Boston Marathon bombings, on April 22, in Boston, Mass.

A South Korean employee, top right, working at the Kaesong Industrial Complex (KIC), speaks to the media upon his arrival at South Korea's CIQ (Customs, Immigration and Quarantine) office, just south of the demilitarised zone separating the two Koreas, in Paju, north of Seoul, April 3. North Korean authorities were not allowing any South Korean workers into a joint industrial park on Wednesday, South Korea's Unification Ministry and a Reuters witness said, adding to tensions between the two countries.

A man uses his mobile phone in front of a specialty shop selling North Korean products, at South Korea's CIQ (Customs, Immigration and Quarantine) office, just south of the demilitarised zone separating the two Koreas, in Paju, north of Seoul, on April 3. North Korean authorities were not allowing any South Korean workers into a joint industrial park on Wednesday, South Korea's Unification Ministry and a Reuters witness said, adding to tensions between the two countries.

South Korean soldiers patrol at the border with North Korea in the Demilitarized Zone (DMZ) near Imjingak in Gyeonggi-do Province, South Korea, on April 2. North Korea said it plans to restart its five megawatt nuclear reactor that was shut down under an agreement reached at the six-party talks in 2007, a move that will allow the North to extract plutonium from spent fuel rods.

South Korea soldiers inside transit office at the Military Demarcation Line (MDL) near the demilitarized zone (DMZ) in Gyeonggi province, South Korea, on April 3. North Korea on April 3 blocked South Korean employees from entering the industrial complex operated jointly by the two countries, only allowing workers to leave, a Seoul official said.

A US Air Force F-22 Raptor takes off at Osan Air Base, south of Seoul, South Korea, on April 3. The US military said it has deployed two F-22 Raptor stealth jets to South Korea as part of ongoing joint military exercises with South Korea. The deployment of the stealth jets marked the latest show of force against North Korea, which issues daily threats of war amid heightened tensions on the Korean Peninsula.

A North Korean soldier looks at the southern side through a pair of binoculars at the border village of the Panmunjom (DMZ) that separates the two Koreas since the Korean War, in Paju, north of Seoul, South Korea, on March 19. The United States is flying nuclear-capable B-52 bombers on training missions over South Korea to highlight Washington's commitment to defend an ally amid rising tensions with North Korea, Pentagon officials said.

A member of the Free Syrian Army holds his weapon as he sits on a sofa in the middle of a street in Deir al-Zor on April 2.

A bust of late Syrian President Hafez al-Assad, father of the current president Bashar al-Assad, is seen hung at a broken window of a building in Deir al-Zor on April 2.

Men peer through the former window of a destroyed school in the village of Budyali, Nangarhar province, Afghanistan, on March 19, 2013. Taliban militants attacked the nearby district headquarters in July 2011, then took refuge in the school. The Afghan National Army requested help from coalition forces, who responded with drones, fighter jets and rockets, leaving the school destroyed, according to village elders.

Ahmed Shah, 12, center, recalls the attack on his village in the yard of a house where he and his family found refuge in the village of Khalis, Nangarhar province, on March 20, 2013.

Boys study in a makeshift school in the village of Budyali, Nangarhar province, on March 19, 2013.

Papers and schoolbooks lie among the debris of a destroyed school in the village of Budyali, Nangarhar province, on March 19, 2013.

Men walk through the debris of the destroyed school in the village of Budyali, Nangarhar province, on March 19, 2013.

Indian policemen take cover during a gunbattle in Srinagar, the capital of Indian-controlled Kashmir, on March 13, 2013. A team of militants stormed a paramilitary camp Wednesday morning, leaving five soldiers and two militants dead, a police official said.

Indian policemen and paramilitary soldiers react during a gunbattle in Srinagar on March 13, 2013.

Indian paramilitary soldiers carry a wounded colleague on March 13, 2013.

An Egyptian protester evacuates a wounded man during clashes between protesters and riot police near the state security building in Port Said, Egypt, on March 6.

An Egyptian man sets tiers ablaze during clashes in Port Said, Egypt, on March 6.

Egyptian army soldiers arrest an alleged rioter during clashes in Port Said, Egypt, on March 6.

Egyptians react from tear gas fired by riot police during clashes near the state security building in Port Said, Egypt, on March 6.

Anti-Morsi protesters are seen through a banner with pictures of people, who were killed in Port Said demonstrations since violence erupted after the court verdict on the sentencing of 21 people, at a camp in front of the Governorate General headquarters in Port Said city, 105 miles northeast of Cairo on March 5.

Sami, 32, steps into an underground Roman tomb used for shelter from Syrian government forces shelling and airstrikes, at Jabal al-Zaweya, in Idlib province, Syria on Feb. 28.

Nihal, 9, puts olive tree branches inside a wooden stove in an underground Roman tomb which she shares with her family as a shelter from Syrian government forces shelling and airstrikes.

Sami speaks with his children at an underground Roman tomb which he uses with his family as shelter.

Syrian security agents next to a vehicle on fire following a huge explosion in Damascus on Feb. 21, 2013.

Vehicles burn near a crater on a road after an explosion in central Damascus on Feb. 21, 2013

A thick black pall of smoke fills the air close to the site of a large explosion in Damascus on Feb. 21, 2013.

Wounded men sit near destroyed cars and other damage following a large explosion in Damascus on Feb. 21, 2013.

Syrian security agents carrying a body following a huge explosion that shook central Damascus on Feb. 21, 2013.

Clouds of smoke swirling around destroyed cars following a large explosion in Damascus on Feb. 21, 2013.

An injured man lying on the ground after a huge explosion in Damascus on Feb. 21, 2013.