(01 of22)
Open Image ModalPalestinian children, wounded in an Israeli strike on a compound housing a U.N. school in Beit Hanoun, cry as they lay on the floor at the emergency room of the Kamal Adwan hospital in Beit Lahiya, northern Gaza Strip,Thursday, July 24, 2014. (credit:ASSOCIATED PRESS)
(02 of22)
Open Image ModalPalestinian medics wheel a wounded boy into the Nasser hospital following an Israeli air strike near his home in Khan Younis, the southern Gaza Strip, Thursday, July 24, 2014. (credit:ASSOCIATED PRESS)
(03 of22)
Open Image ModalA Palestinian child, wounded in an Israeli strike on a compound housing a U.N. school in Beit Hanoun, in the northern Gaza Strip, cries at the emergency room of the Kamal Adwan hospital in Beit Lahiya, Thursday, July 24, 2014. (credit:ASSOCIATED PRESS)
(04 of22)
Open Image ModalA Palestinian youth carries a child, wounded in an Israeli strike on a compound housing a U.N. school in Beit Hanoun, in the northern Gaza Strip, into the emergency room of the Kamal Adwan hospital in Beit Lahiya, Thursday, July 24, 2014. (credit:ASSOCIATED PRESS)
(05 of22)
Open Image ModalA Palestinian boy cries after watching his wounded relatives being rushed to emergency rooms at the Nasser hospital following an Israeli air strike in Khan Younis, the southern Gaza Strip, Thursday, July 24, 2014. (credit:ASSOCIATED PRESS)
(06 of22)
Open Image ModalA Palestinian man carries a wounded woman to an emergency room at the Nasser hospital following an Israeli air strike near her home, in Khan Younis, the southern Gaza Strip, Thursday, July 24, 2014. (credit:ASSOCIATED PRESS)
(07 of22)
Open Image ModalA Palestinian child, wounded in an Israeli strike on a compound housing a U.N. school in Beit Hanoun, in the northern Gaza Strip, is treated at the emergency room of the Kamal Adwan hospital in Beit Lahiya, Thursday, July 24, 2014. (credit:ASSOCIATED PRESS)
(08 of22)
Open Image ModalA Palestinian youth, wounded in an Israeli strike on a compound housing a U.N. school in Beit Hanoun, in the northern Gaza Strip, cries in pain as he is treated at the emergency room of the Kamal Adwan hospital in Beit Lahiya, Thursday, July 24, 2014. (credit:ASSOCIATED PRESS)
(09 of22)
Open Image ModalPalestinian children, wounded in an Israeli strike on a compound housing a U.N. school in Beit Hanoun, in the northern Gaza Strip, cry as they lay on the floor at the emergency room of the Kamal Adwan hospital in Beit Lahiya, Thursday, July 24, 2014. (credit:ASSOCIATED PRESS)
(10 of22)
Open Image ModalPalestinian children, wounded in an Israeli strike on a compound housing a U.N. school in Beit Hanoun, in the northern Gaza Strip, cry as they lay on the floor at the emergency room of the Kamal Adwan hospital in Beit Lahiya, Thursday, July 24, 2014. (credit:ASSOCIATED PRESS)
(11 of22)
Open Image ModalPalestinian children, wounded in an Israeli strike on a compound housing a U.N. school in Beit Hanoun, in the northern Gaza Strip, cry as they lay on the floor of the emergency room of the Kamal Adwan hospital in Beit Lahiya, Thursday, July 24, 2014. (credit:ASSOCIATED PRESS)
(12 of22)
Open Image ModalA Palestinian child, wounded in an Israeli strike on a compound housing a U.N. school in Beit Hanoun, in the northern Gaza Strip, cries at the emergency room of the Kamal Adwan hospital in Beit Lahiya, Thursday, July 24, 2014. (credit:ASSOCIATED PRESS)
(13 of22)
Open Image ModalA Palestinian child, wounded in an Israeli strike on a compound housing a U.N. school in Beit Hanoun, in the northern Gaza Strip, is wheeled into the emergency room of the Kamal Adwan hospital in Beit Lahiya, Thursday, July 24, 2014. (credit:ASSOCIATED PRESS)
(14 of22)
Open Image ModalSmoke from an Israeli strike rises over Gaza City, Thursday, July 24, 2014. (credit:ASSOCIATED PRESS)
(15 of22)
Open Image ModalSmoke from an Israeli strike rises over Gaza City, Thursday, July 24, 2014. (credit:ASSOCIATED PRESS)
(16 of22)
Open Image ModalSmoke from an Israeli strike rises over Gaza City, Thursday, July 24, 2014. (credit:ASSOCIATED PRESS)
(17 of22)
Open Image ModalA pool of blood is seen in the courtyard of a UN School in the northern Beit Hanun district of the Gaza Strip on July 24, 2014, after it was hit by an Israeli tank shell. (credit:MARCO LONGARI via Getty Images)
(18 of22)
Open Image ModalA picture taken from the southern Israeli border with the Gaza Strip shows buildings following an Israeli air strike east of Gaza City, on July 24, 2014. (credit:JACK GUEZ via Getty Images)
(19 of22)
Open Image ModalA picture taken from the southern Israeli border with the Gaza Strip shows buildings following an Israeli air strike east of Gaza City, on July 24, 2014. (credit:JACK GUEZ via Getty Images)
(20 of22)
Open Image ModalBlood is seen among school desks in a UN-operated school after an Israeli attack in Beit Hanun town, northern Gaza strip, 24 July 2014. (credit:EPA)
(21 of22)
Open Image ModalBlood is seen among school desks in a UN-operated school after an Israeli attack in Beit Hanun town, northern Gaza strip, 24 July 2014. (credit:EPA)
(22 of22)
Open Image ModalSheep stand near a pool of blood at a UN-operated school after an Israeli attack in Beit Hanun town, northern Gaza strip, 24 July 2014. (credit:EPA)