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

itoggle caption Suhaib Salem/Reuters/Landov

An Israeli Merkava tank drives past a field of sunflowers along the border between Israel and the Gaza Strip as it moves out of the Gaza Strip on Aug. 3. Gil Cohen Magen /AFP/Getty Images hide caption

itoggle caption Gil Cohen Magen /AFP/Getty Images

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

itoggle caption Sameh Rahmi/EPA/Landov

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

itoggle caption Hatem Moussa/AP

A Palestinian girl cries while receiving treatment Wednesday at a hospital in Beit Lahiya for her injuries caused by a strike at a U.N. school in the Jebaliya refugee camp. Khalil Hamra/AP hide caption

itoggle caption Khalil Hamra/AP

Palestinian Saeb Afana, 12, stands on the edge of a large crater from an Israeli missile strike that destroyed several graves, as he carries flowers at a cemetery in Gaza City on Monday. Lefteris Pitarakis/AP hide caption

itoggle caption Lefteris Pitarakis/AP