A Palestinian girl cries while receiving treatment for her injuries caused by an Israeli strike at a U.N. school in Jebaliya refugee camp, at the Kamal Adwan hospital in Beit Lahiya, northern Gaza Strip, Wednesday, July 30, 2014. Several Israeli tank shells slammed into the crowded U.N. school used as shelter for refugees in the Gaza war early on Wednesday, a Palestinian health official and a U.N. official said. (AP Photo/Khalil Hamra)