Palestinian authorities on Wednesday reported that at least 14 people were killed in an attack on a United Nations facility in central Gaza. Hospital staff said 14 people were killed in the incident in the Nuseirat refugee camp. The building was a former school run by the United Nations Relief and Works Agency for Palestine Refugees in the Near East (UNRWA). UN spokesman Stéphane Dujarric said in New York that UN properties should never be attacked nor used by military groups. A spokesman for the Israeli air force said it hit a Hamas command and control post in Nuseirat after taking measures t…