Israeli authorities have identified the bodies of four hostages returned by Hamas as part of the ceasefire deal.
Families express anger that the bodies of 24 other Israelis have not yet been returned.
Human Rights groups say Israel holds the bodies of over 700 Palestinians, including dozens of children, whom Israel has used as bargaining chips in negotiations.
Israel's actions have sparked outrage and calls for the return of all hostages' bodies.
Author's summary: Families demand return of hostages' bodies.