Israeli Prime Minister Benjamin Netanyahu said his country retained the 'right to return to fighting if needed' in Gaza.
Hamas blamed the delay in getting a list across on "technical field reasons." It said in a statement that it is committed to the ceasefire deal announced last week.
Israel and Hamas have agreed to a ceasefire deal, with a pause in fighting in Gaza and the phased release of hostages and Palestinian prisoners set to begin early Sunday. Follow for live updates.
The Israel Defense Forces continues its intense airstrike and ground campaigns in Gaza with ceasefire talks ending with success in Qatar.
Long-awaited ceasefire between Israel and Hamas is due to begin at 630am GMT on Sunday – but hostages’ families and Palestinians all fear the deal could fall at the final hurdle
Envoy Steve Witkoff, carrying a message from Donald Trump, broke through the impasse in long-futile cease-fire talks.
Hamas is expected to release three hostages later on Sunday in exchange for scores of Palestinians imprisoned by Israel.
Ahead of the implementation of the ceasefire deal with Hamas, Prime Minister Benjamin Netanyahu has stated that Israel cannot proceed with the agreed framework until Hamas provides the list of hostages to be released.
Netanyahu's "fear of Trump is greater than his fear of his extreme right-wing coalition partners," Israeli expert told Newsweek.
Netanyahu said he will convene with his Security Cabinet on Friday and the Israeli government will then approve the agreement, AP reports.
Israel's prime minister has been accused of prioritizing his own political survival and the unity of his fractious right-wing Cabinet over bringing the hostages home.