A young man walks by holes made by the Egyptian military to destroy smuggling tunnels connected to Gaza. The demolitions have put pressure on Hamas, the militant group that controls Gaza and has long counted on smuggling tunnels as its lifeline. Ahmed Abd El Latif/AP hide caption

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Armed Palestinian masked militants push back a crowd of worshippers outside a mosque in Gaza City on August 22, 2014, before executing more than a dozen men for allegedly helping Israel during its six-week assault on the Palestinian enclave. This week, Amnesty International released a report saying that Hamas was responsible for these and other killings. STR/AFP/Getty Images hide caption

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The Islamist group Hamas, shown here in a rally in the Gaza Strip on Dec. 12, is the strongest faction in the Gaza Strip. The Islamic State, or ISIS, is not believed to be in the territory, though fliers purporting to be from the group have circulated in Gaza. They are widely believed to be fake, but both Israel and Hamas have tried to use them to their advantage. Mahmud Hams/AFP/Getty Images hide caption

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Palestinian onlookers and civil defense members gather at a site where an Israeli military operation left two Palestinians dead in the West Bank town of Hebron on Tuesday. Troops killed two Palestinian suspects in the June murder of three Israeli teenagers in the West Bank. Hazem Bader/AFP/Getty Images hide caption

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An Israeli couple, Noga and Moshiko Siho, kiss after they have their wedding photos taken Wednesday in an army staging area on the Israel-Gaza border, near Kibbutz Yad Mordechai, Israel. Oded Balilty/AP hide caption

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Palestinian mourners carry the body of three senior commanders of the Hamas military wing in the southern Gaza Strip on Thursday, after they were killed in an Israeli airstrike. Hamas executed more than a dozen people it says were spying for Israel. Khalil Hamra/AP hide caption

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Israeli President Shimon Peres (right) eulogizes the three Israeli teens who were abducted and killed in the occupied West Bank, Gil-Ad Shaer, U.S.-Israeli national Naftali Fraenkel, both 16, and Eyal Yifrah, 19, during their joint funeral July 1 in the Israeli city of Modiin. Baz Ratner/AP hide caption

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U.S. Secretary of State John Kerry shakes hands with Israeli Prime Minister Benjamin Netanyahu in Tel Aviv on July 23. While the two countries are close allies, they have exchanged criticism during the recent Israel-Hamas fighting in Gaza. Pool/AFP/Getty Images hide caption

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Black smoke billows in the distance following an Israeli airstrike from the northern Gaza Strip on Wednesday. Atef Safadi/EPA/Landov hide caption

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Smoke is seen after what witnesses said was an Israeli airstrike in Gaza City on Tuesday. Israel launched attacks in the Gaza Strip and recalled its negotiators from truce talks in Cairo after saying three Palestinian rockets had hit southern Israel, hours before a cease-fire was due to expire. Suhaib Salem/Reuters/Landov hide caption

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Palestinians carry belongings from their homes, destroyed by Israeli airstrikes, in Beit Hanoun in the northern Gaza Strip on Sunday. The devastation could resume if a cease-fire is allowed to expire at midnight on Monday. Sameh Rahmi/EPA/Landov hide caption

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A Palestinian boy, hoping to cross into Egypt with his family, is held by his mother as they wait at the Rafah crossing between Egypt and the southern Gaza Strip on Tuesday. A cease-fire between Israel and Hamas held for a second day Tuesday as officials from both sides held indirect talks in Egypt. Ramadan el-Agha/APA /Landov hide caption

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Palestinian women walk past the rubble of their homes in Gaza City's Shijaiyah neighborhood on Monday. An Egyptian-brokered cease-fire halting the Gaza war held into Monday morning, allowing Palestinians to leave homes and shelters as negotiators agreed to resume talks in Cairo. Hatem Moussa/AP hide caption

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