The ceasefire between Israel and Hamas has brought cautious calm to the region as aid begins to flow into the Gaza Strip.

Hamas was set to release all surviving hostages on Monday in exchange for Palestinian prisoners held by Israel, as US President Donald Trump headed to the region for a peace summit having declared the war "over".

Israel says it expects all of the living hostages held in the Gaza Strip to be released Monday. The announcement on Sunday confirmed the next phase of the breakthrough ceasefire deal with Hamas, as Palestinians awaited a long-promised surge of aid deliveries into the enclave.

The militant group and Israel are preparing for captives to be released as early as Sunday, though Israel said it expects the handover to take place Monday morning.

Medical teams at an Israeli hospital awaiting the arrival of hostages expected to be released from Gaza are "prepared for anything," Noa Eliakim Raz, head of the Returning Hostages Unit at the Rabin Medical Center-Beilinson Hospital in Petah Tikva, told NBC News.

The faces of the hostages being held in Gaza stare down from every street corner in Israel on posters now sun-faded and ripped