A displaced Palestinian boy looks out from a makeshift tent at the al-Shifa hospital in Gaza City where many Palestinians have have taken refuge after fleeing attacks in the Shijaiyah neighborhood of the city, July 31, 2014. With more than 220,000 Palestinians already sheltering in UN facilities -- four times the number from the last Gaza conflict in 2008-2009 -- the top UN refugee official Philippe Krahenbuhl said he had reached breaking point.
Israeli residents and relatives take cover from a rocket attack from Palestinian militants from the Gaza Strip during the funeral of Israeli soldier Corporal Meidan Maymon Biton, 20, at the cemetery of the southern Israeli city of Netivot, July 29, 2014. Meidan was killed the previous day when a mortar shell fired from the Gaza Strip hit the Eshkol regional council, which flanks Gaza's southern border with Israel.
Shijaiyah, Gaza City
Palestinian children look through a store shutter at ambulances transporting casualties during Israeli offensive, in Gaza City, July 30, 2014. Israeli strikes near a market in the eastern Gaza Strip killed 15 Palestinians on Wednesday, the local health ministry said. Residents said that Israeli shelling and two missiles from the air hit the area in Shijaiyah, on the fringes of Gaza City. Ashraf al-Qidra, spokesman of the Gaza Health Ministry, said 160 people were also wounded.
A Palestinian man battles a fire following several Israeli strikes on Gaza City, July 30, 2014.
In this combination picture taken from the Israel-Gaza border, a mosque is covered in smoke as it is destroyed by the Israeli army in the southern Gaza Strip, July 30, 2014. At least 76 people died in Israeli strikes across Gaza Wednesday.
Palestinians inspect the collapsed minaret of a destroyed mosque in Gaza City, July 30, 2014 after it was hit in an overnight Israeli strike. Israeli bombardments killed "dozens" of Palestinians in Gaza, including at least 16 at a UN school, medics said, on day 23 of the Israel-Hamas conflict.
Smoke rises following what witnesses said were Israeli air strikes on the east of Gaza City, July 29, 2014. Israel knocked out Gaza's only power plant, flattened the home of an Islamist Hamas political leader and pounded dozens of other high-profile targets in the enclave on Tuesday, with no end in sight to more than three weeks of conflict.
Jebaliya, Gaza City
A Palestinian man inspects the damage at a UN school at the Jebaliya refugee camp in the northern Gaza Strip after the area was hit by Israeli shelling on July 30, 2014.
A Palestinian woman cries with her children after evacuating their apartment following a warning strike on their building by the Israeli military to alert Palestinians of an impending airstrike, July 30, 2014. Israel is using what is known as a "knock on the roof" warning system for residents of Gaza to alert them that the building has been targeted and giving them time to leave the building before the airstrike hits.
Palestinians collect the remains of bodies at a United Nation-run school sheltering Palestinians displaced by an Israeli ground offensive, that witnesses said was hit by Israeli shelling, in Jebaliya refugee camp in the northern Gaza Strip, July 30, 2014. Israeli tank shells and air strikes on houses and a school in Jebaliya in northern Gaza killed at least 43 people and wounded many others, including 20 in a U.N. school, health ministry spokesman Ashraf Al-Qidra said.
A Palestinian man mourns next to the body of a man whom medics said was killed by Israeli shelling near a market in Shejaia, at a hospital in Gaza City, July 30, 2014. Israeli strikes near a market in the eastern Gaza Strip killed 15 Palestinians on Wednesday, the local health ministry said. Residents said that Israeli shelling and two missiles from the air hit the area in Shijaiya, on the fringes of Gaza City.
A Palestinian firefighter works to extinguish a fire at Gaza's main power plant in central Gaza Strip, which witnesses said was hit by Israeli shelling, July 29, 2014.
Palestinians ride a donkey cart as smoke rises from Gaza's main power plant, which witnesses said was hit in Israeli shelling, in the central Gaza Strip, July 29, 2014. Israeli tank fire hit the fuel depot of the Gaza Strip's only power plant on Tuesday, witnesses said, cutting electricity to Gaza City and many other parts of the Palestinian enclave of 1.8 million people.
Israeli forces' flares light up the night sky above Gaza City, July 29, 2014.
Smoke billows from a mosque in Gaza City after it was hit by an Israeli air strike, July 29, 2014. Bloodshed in and around Gaza surged with strikes killing at least 13 Palestinians, a day after five Israeli soldiers died, shattering hopes for an end to three weeks of violence.
Palestinian firefighters extinguish a fire at a mosque in Gaza City after it was hit by an Israeli air strike, July 29, 2014.
Palestinian relatives mourn over the body of five year old, Rana Duheir, a five year old girl killed in an Israeli air strike, during her funeral in Rafah in the southern Gaza Strip on July 29, 2014.
An Israeli soldier sleeps on a tank positioned along the border between Israel and the Hamas-controlled Gaza Strip, July 29, 2014.
A Palestinian girl reacts at the scene of an explosion that medics said killed eight children and two adults, and wounded 40 others at a public garden in Gaza City, July 28, 2014. Locals blamed the blast on an Israeli air strike, but Israel denied responsibility, saying it was a misfire by a rocket launched by Hamas militants.
Debris from a Gaza City house belonging to the Ayyad family, who are Christian, is seen July 27, 2014. Witnesses said the house was targeted in an Israeli air strike.
The father of a Palestinian boy reacts following his death at a hospital in Gaza City, July 28, 2014. A huge explosion in a public garden in northern Gaza killed eight children and two adults, and wounded 40 others, Palestinian medics said on Monday. Locals blamed the blast on an Israeli air strike, but Israel denied responsibility, saying it was a misfire by a rocket launched by Hamas militants.
Shejaia, Gaza City
A general view of destruction in the Shijaiyah neighborhood of Gaza City, which witnesses said was heavily hit by Israeli shelling and air strikes, July 26, 2014.
An explosion during an Israeli strike in the northern Gaza Strip is pictured from the Israeli border with Gaza, July 26, 2014.
Jabaliya, Gaza City
Men rest as dozens of displaced families from the northern Beit Hanun district of the Gaza Strip take refuge at a UN girl's preparatory school in Jabalia after fleeing heavy fighting in the besieged Palestinian territory, July 23, 2014. A United Nations school sheltering displaced Palestinians in central Gaza came under Israeli fire on July 22 as a team was inspecting damage from a day earlier, a UN official said. UNRWA is sheltering more than 100,000 people at more than 60 of its schools throughout the Gaza Strip.
A rocket is fired from the northern Gaza Strip towards Israel, July 25, 2014.
Beit Hanun, Gaza
A trail of blood is seen in the courtyard of a UN School in the northern Beit Hanun district of the Gaza Strip after it was hit by an Israeli tank shell, July 24, 2014.
U.S. Secretary of State John Kerry boards his plane in Paris, France to return to Washington, July 26, 2014. Kerry met with officials from European, North African and Middle Eastern countries to try to negotiate a cease-fire over several days.
Smoke rises during an Israeli offensive in the east of Gaza City, July 27, 2014.
Kafar Aza, Israel
Used artillery shells litter the ground outside of Kfar Aza, Israel on the morning of July 28, 2014. As Israel's operation "Protective Edge" in Gaza continues, the international community struggles to find a truce agreement.
Beit Hanoun, Gaza Strip
Palestinians walk past a damaged ferris wheel amid destroyed buildings in Beit Hanoun town, which witnesses said was heavily hit by Israeli shelling and air strikes during an Israeli offensive, in the northern Gaza Strip, July 26, 2014.
An Israeli army officer talks to journalists during an army organized tour in a tunnel said to be used by Palestinian militants for cross-border attacks, July 25, 2014. Israel launched its military offensive aiming at destroying tunnels used by militants.
A Palestinian woman runs from the sound of gunfire near damaged buildings in the Shijaiyah neighborhood of Gaza City, which witnesses said was heavily hit by Israeli shelling and air strikes during an Israeli offensive, July 27, 2014.
Ramallah, West Bank
A Palestinian protester uses a slingshot to hurl stones toward Israeli troops during a protest against Israeli offensive in Gaza, at Qalandia checkpoint near the West Bank city of Ramallah, July 24, 2014. Israeli soldiers shot and killed a Palestinian protester and wounded about 200 on Thursday in confrontations with several thousand people demonstrating in the occupied West Bank against the Israeli offensive in Gaza, Palestinian medical officials said.
Jabaliya, Gaza Strip
Palestinian girls peers from inside a UN school in Jabaliya, northern Gaza Strip, where they found shelter after escaping from their home, July 25, 2014.
Beit Lahia, Gaza Strip
A Palestinian man kisses the head of one-year-old Noha Mesleh, who died of wounds sustained after a UN school in Beit Hanoun was hit by an Israeli tank shell, during her funeral in Beit Lahia, northern Gaza Strip, July 25, 2014. Fifteen people were killed when Israeli fire hit a UN-run school in Gaza.
Kafar Aza, Israel
Wounded Israeli soldiers are brought to a helicopter on July 23, 2014 near Kfar Aza, Israel.
A Palestinian reacts following what witnesses said was an Israeli air strike on a building in Gaza City, July 24, 2014.
Palestinians attend Friday prayers at Al-Farouk mosque which witnesses said was badly destroyed by an Israeli air strike, in Rafah, southern Gaza Strip, July 25, 2014.