Throughout the war, the Israeli military had barred Palestinians from returning to the north by severing Gaza along the Netzarim corridor, a belt that runs east to west across the strip where troops cleared out the Palestinian population and set up bases.

The fragility of the truce between Israel and Hamas was laid bare on Saturday, after Israel accused Hamas of withholding a hostage, prompting a halt in the movement of Gazan civilians back to their homes in the north.