Hamas may not be able to prevent other factions from attacking Israel, analysts say.
Hamas and Israel have not agreed to terms of a mutual cease-fire agreement, worrying many that the war will soon start up again.
Denied access to Gaza, a reporter draws on firsthand accounts from the Palestinian wounded taken to Egypt.
Israeli troops moved deeper into Gaza City Sunday and pounded Rafah from the air. Hamas rejected plans for international peacekeepers in Gaza.
The Rafah crossing is seen by Israel as a weapons supply line for Hamas and a humanitarian lifeline by Gazans.
Hamas and Israel say they are weighing an Egyptian proposal for a cease-fire as international calls to end the conflict mount.