Smoke rises in the Gaza Strip during fighting
Smoke rises in the Gaza Strip during fighting between Israel and Gaza militants July 24, 2014. Gazan authorities said Israeli forces shelled a shelter at a U.N.-run school on Thursday, killing at least 15 people as the Palestinian death toll in the conflict climbed over 750 and attempts at a truce remained elusive. The Israeli military said its troops were fighting gunmen from Hamas, which runs Gaza, in the area and that it was investigating the incident. A spokesman for the U.N. relief agency said it had tried in vain to arrange an evacuation of civilians from the school with the Israeli army, and noted reports of Hamas rockets falling in the area at the same time. REUTERS/Nir Elias (GAZA - Tags: POLITICS CIVIL UNREST MILITARY CONFLICT)
A medical staff attends to a malnourished child at a MSF hospital in an IDP camp inside the U.N. base in Malakal
A medical staff attends to a malnourished child at a Medecins Sans Frontieres (MSF) hospital in an internally displaced persons (IDP) camp inside the U.N. base in Malakal, July 24, 2014. According to UNMISS, the U.N. base is hosting about 17,000 people who were displaced by the armed conflict in the region. REUTERS/Andreea Campeanu (SOUTH SUDAN - Tags: POLITICS CIVIL UNREST SOCIETY POVERTY)
Girls play in an IDP camp inside the U.N. base in Malakal
Girls play in an internally displaced persons (IDP) camp inside the U.N. base in Malakal, July 24, 2014. According to UNMISS, the U.N. base is hosting about 17,000 people who were displaced by the armed conflict in the region. REUTERS/Andreea Campeanu (SOUTH SUDAN - Tags: POLITICS CIVIL UNREST SOCIETY POVERTY)
A man, suffering from diarrhoea, rests on a bed in Malakal Teaching Hospital in Malaka
A man, suffering from diarrhoea, rests on a bed in Malakal Teaching Hospital in Malaka, July 24, 2014. The hospital, which only reopened around 10 days ago, was closed early this year after armed groups shot dead 11 patients in their beds in February. REUTERS/Andreea Campeanu (SOUTH SUDAN - Tags: POLITICS CIVIL UNREST SOCIETY POVERTY HEALTH)
People walk through the rubble of the Prophet Younis Mosque after it was destroyed in a bomb attack by militants of the Islamic State, formerly known as ISIL, in the city of Mosul
People walk through the rubble of the Prophet Younis Mosque after it was destroyed in a bomb attack by militants of the Islamic State, formerly known as the Islamic State in Iraq and the Levant (ISIL) in the city of Mosul, July 24, 2014. REUTERS/Stringer (IRAQ - Tags: CIVIL UNREST POLITICS RELIGION)
People walk through the rubble of the Prophet Younis Mosque after it was destroyed in a bomb attack by militants of the Islamic State, formerly known as ISIL, in the city of Mosul
People walk through the rubble of the Prophet Younis Mosque after it was destroyed in a bomb attack by militants of the Islamic State, formerly known as the Islamic State in Iraq and the Levant (ISIL) in the city of Mosul, July 24, 2014. REUTERS/Stringer (IRAQ - Tags: CIVIL UNREST POLITICS RELIGION)
People walk through the rubble of the Prophet Younis Mosque after it was destroyed in a bomb attack by militants of the Islamic State, formerly known as ISIL, in the city of Mosul
People walk through the rubble of the Prophet Younis Mosque after it was destroyed in a bomb attack by militants of the Islamic State, formerly known as the Islamic State in Iraq and the Levant (ISIL), in the city of Mosul, July 24, 2014. REUTERS/Stringer (IRAQ - Tags: CIVIL UNREST POLITICS RELIGION)
People walk through the rubble of the Prophet Younis Mosque after it was destroyed in a bomb attack by militants of the Islamic State, formerly known as ISIL, in the city of Mosul
People walk through the rubble of the Prophet Younis Mosque after it was destroyed in a bomb attack by militants of the Islamic State, formerly known as the Islamic State in Iraq and the Levant (ISIL), in the city of Mosul, July 24, 2014. REUTERS/Stringer (IRAQ - Tags: CIVIL UNREST POLITICS RELIGION)
People look at the rubble of the Prophet Younis Mosque after it was destroyed in a bomb attack by militants of the Islamic State, formerly known as ISIL, in the city of Mosul
People look at the rubble of the Prophet Younis Mosque after it was destroyed in a bomb attack by militants of the Islamic State, formerly known as the Islamic State in Iraq and the Levant (ISIL), in the city of Mosul, July 24, 2014. REUTERS/Stringer (IRAQ - Tags: CIVIL UNREST POLITICS RELIGION)
Palestinians try to extinguish fire following what witnesses said was an Israeli air strike on a building in Gaza City
Palestinians try to extinguish a fire following what witnesses said was an Israeli air strike on a building in Gaza City July 24, 2014. Gazan authorities said Israeli forces shelled a shelter at a U.N.-run school on Thursday, killing at least 15 people as the Palestinian death toll in the conflict climbed over 750 and attempts at a truce remained elusive. The Israeli military said its troops were fighting gunmen from Hamas, which runs Gaza, in the area and that it was investigating the incident. Hamas fired rockets at Tel Aviv and said its gunmen carried out a lethal ambush on Israeli soldiers in north Gaza. REUTERS/Suhaib Salem (GAZA - Tags: POLITICS CIVIL UNREST TPX IMAGES OF THE DAY)