Israel’s long-delayed invasion of Rafah, Gaza’s southern city where more than one million Palestinians have sought refuge, is expected to begin in the coming days following months of threats. Rafah has been transformed into the “largest displacement camp on earth” after thousands of families fled to the city amid Israeli violence and the destruction of their homes in the north and centre of the strip. It is also a major humanitarian hub for aid storage and distribution, much of it entering via the Egypt border. Despite major international concerns, Israel has pressed ahead with military prepar…