A dispute over a body returned by Hamas has strained Israel's fragile ceasefire.
Aid is flowing back into Gaza, and the EU is readying a mission at the Rafah crossing.
The Israeli military claims one of four bodies handed over by Hamas is not that of a hostage.
The flow of humanitarian aid to Gaza has resumed after a two-day break.
The Egyptian Red Crescent is sending 400 trucks with food, fuel, and medical supplies to the Gaza Strip.
Author's summary: Ceasefire strained over body dispute.