The United Nations have sounded the alarm over the safety of civilians after the Israel Defense Forces (IDF) called on all residents of Gaza City to flee in what observers see as a sign of imminent new military operations. The UN’s Office for the Coordination of Humanitarian Affairs (OCHA) warned in a statement on Wednesday that “Israel’s instruction for people to leave Gaza City … will only fuel mass suffering for Palestinian families, many of whom have been displaced many times.” “These civilians must be protected, and their essential needs must be met, whether they flee or whether they st…