Palestinians displaced by the Gaza war are living in “appalling” conditions, with children sometimes going for a whole day without food and thousands sharing the same toilet, Oxfam warned on Tuesday. Deadly Israeli bombardment and fighting has raged in the Gaza Strip’s far-southern Rafah area near the Egyptian border in recent weeks, again displacing those who had fled there in search of safety. More than one million people have fled Rafah for other areas, according to the UN Palestinian refugee agency, UNRWA. Oxfam said more than two-thirds of Gaza’s population is estimated to be crammed into…