A boy plays with a ball at a temporary tent camp set up for Ukrainian refugees in the town of Novoshakhtinsk in Rostov region near the Russian-Ukrainian border, southern Russia, July 9, 2014.

Sergei Karpukhin/Reuters

A boy plays with a ball at a temporary tent camp set up for Ukrainian refugees in the town of Novoshakhtinsk in Rostov near the Russian-Ukrainian border, southern Russia

Palestinian relatives mourn during the funeral of members of Hamad family in the town of Beit Hanoun in the northern Gaza Strip July 9, 2014. Militants in Gaza fired more rockets at Tel Aviv on Wednesday, targeting Israel's heartland after Israeli attacks in the enclave that Palestinian officials said have killed at least 27 people. Israel assassinated a senior local leader of the Islamic Jihad militant group in the northern Gaza Strip early on Wednesday, neighbours and hospital officials said, and five others including family members were killed. An Israeli military spokeswoman said she had no initial details on the strike.The militant, Hafez Hamad, two brothers and his parents were killed when his house was bombed in an air strike in the town of Beit Hanoun in the northern Gaza Strip, Hamas media and Gaza interior ministry said. An unidentified woman in the house was also killed.

Mohammed Salem/Reuters

Palestinian relatives mourn at the funeral of members of the Hamad family in the town of Beit Hanoun in the northern Gaza Strip

Shiite volunteers from the Iraqi Ketaeb (brigade) Hezbollah, march as they join the Iraqi army to fight against Jihadist militants of the Islamic State (IS), formerly known as the Islamic State in Iraq and the Levant (ISIL), on July 9, 2014, in Baghdad.. Iraq's government once battled entrenched Shiite militiamen but is now making common cause with them against a jihadist-led onslaught that Baghdad's forces are struggling to contain on their own.

Ahmad Al-Rubaye/AFP

Shia volunteers from the Iraqi Ketaeb (brigade) Hezbollah, march as they join the Iraq army to fight against Jihadist militants of the Islamic State, formerly known as the Islamic State in Iraq and the Levant (Isis), on Wednesday, in Baghdad

People holding umbrellas walk against strong winds and heavy rain brought about by Typhoon Neoguri on a street in Naha, on Japan's southern island of Okinawa, in this photo taken by Kyodo July 9, 2014. Torrential rains battered Japan's Okinawa islands on Wednesday as a weakened but still dangerous typhoon, leaving two dead and threatening widespread flooding as it headed for the nation's main islands.  Mandatory credit.

Kyodo/Reuters

People struggle against strong winds and heavy rain brought about by Typhoon Neoguri on a street in Naha, on Japan’s southern island of Okinawa on Wednesday

A girl cries as she is being hit with a sponge by a Cara Vinagre (Vinegar Face), one of the traditional characters called Kilikis, at the San Fermin festival in Pamplona July 8, 2014.

Eloy Alonso/Reuters

A girl cries as she is being hit with a sponge by a Cara Vinagre (Vinegar Face), one of the traditional characters called Kilikis, at the San Fermin festival in Pamplona

University of Utah image of a map of the northern sky showing the "hot spot" where scientists detected an unusual concentration of high energy cosmic rays. PRESS ASSOCIATION Photo. Issue date: Tuesday July 8, 2014. A mysterious "hot spot" in the sky is emitting unusual numbers of powerful cosmic rays, say scientists. The discovery may shed new light on the origin of ultra-high energy cosmic rays, which still cannot be fully explained. The hot spot is centred two hand-widths below the "handle" of the Big Dipper, or Plough, an arrangement of seven stars within the Great Bear constellation.

Ben Stokes/University of Utah/PA

University of Utah image of a map of the northern sky showing the ‘hot spot’ where scientists say they are detecting an unusual concentration of high energy cosmic rays

Passengers travel on an overcrowded train at Loni town in Uttar Pradesh...Passengers travel on an overcrowded train at Loni town in the northern Indian state of Uttar Pradesh July 8, 2014. On Tuesday, Indian Prime Minister Narendra Modi's new government will unveil its maiden railways budget, with expectations high that he will offer bold plans to improve the service - a lifeline for 23 million Indians every day.

Anindito Mukherjee/Reuters

Passengers travel on a train at Loni town in the northern Indian state of Uttar Pradesh. India is to open up its sprawling colonial-era railway network to private investors in one of recently elected premier Narendra Modi’s first moves to meet election promises of boosting economic growth in the subcontinent.

A monsoon lightning storm strikes over the Mandalay Bay Resorts and Casino and Luxor hotels in Las Vegas, Nevada late July 7, 2014. Monsoon storms are forecast for the the rest of the week in the Nevada and Arizona states.  The Luxor Sky Beam can be seen shining into the sky from the top of the hotel's pyramid structure.

Gene Blevins/Reuters

A monsoon lightning storm strikes over the Mandalay Bay Resorts and Casino in Las Vegas, Nevada. Monsoon storms are forecast for the rest of the week in Nevada and neighbouring Arizona.

A man walks past a destroyed railroad bridge which fell over a main road leading to the eastern Ukrainian city of Donetsk, near the village of Novobakhmutivka...A man walks past a destroyed railroad bridge which fell over a main road leading to the eastern Ukrainian city of Donetsk, near the village of Novobakhmutivka, north of Donetsk July 7, 2014. Ukraine's richest man pleaded with the government on Monday not to bomb Donetsk, a city of a million people where hundreds of heavily armed pro-Russian rebels have vowed to make a stand after losing control of their bastion in the town of Slaviansk.

Maxim Zmeyev/Reuters

A man walks past a destroyed railroad bridge which fell over a main road leading to the eastern Ukrainian city of Donetsk, near the village of Novobakhmutivka, north of Donetsk

Relatives of Palestinian militant Marwan Sleem mourn during his funeral in the central Gaza Strip July 7, 2014. Israel killed two Palestinian militants, one of them Sleem, and wounded a third in one of about a dozen air strikes in response to rocket fire at southern Israeli towns. Hospital officials confirmed the fatalities, and the Israeli military confirmed it had bombed central Gaza. Israeli air strikes killed seven Hamas militants in the Gaza Strip on Monday, the Islamist group said, in the deadliest attacks in a surge of violence exacerbated by the kidnapping and killing of three Israeli youths and a Palestinian teen.

Mohammed Salem/Reuters

Relatives of Palestinian militant Marwan Sleem mourn during his funeral in the central Gaza Strip on Monday. After an Israeli air strike on Gaza killed seven members of the militant Islamist group Hamas, the group vowed to retaliate in a move that will raise fears of a further escalation in Arab-Israeli hostility.