The strikes came in rapid succession. At around 5 a.m. Wednesday at a United Nations school at the Jabaliya refugee camp, where 3,300 Palestinians had taken refuge from the fierce fighting in their Gaza neighborhoods, what appeared to be four Israeli artillery shells hit the compound. One hit the street in front of the entrance, according to several witnesses. Two others hit classrooms where people were sleeping. Palestinian health officials said at least 20 people were killed by what witnesses and United Nations officials said was the latest in a series of strikes on United Nations facilities that are supposed to be safe zones in the 23-day-old battle against Hamas and other militants. “My house was burned and death followed us here,” said Ahmed Mousa, 50, who was in the school courtyard when the shells hit. “Where am I supposed to go?” Read more http://www.nytimes.com/2014/07/31/world/middleeast/israel-gaza.html?_r=0