Israeli Prime Minister Benjamin Netanyahu said his country retained the 'right to return to fighting if needed' in Gaza.
Israel's far-right National Security Minister Itamar Ben Gvir called the ceasefire deal a "capitulation to Hamas".
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.
Netanyahu's "fear of Trump is greater than his fear of his extreme right-wing coalition partners," Israeli expert told Newsweek.
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.
The cease-fire-for-hostage deal is scheduled to go into effect at 8:30 a.m. local time Sunday, Qatari officials announced earlier Saturday.
The ceasefire as agreed to in Qatar is set to last 42 days. Over that period, 33 hostages are expected to be freed in exchange for hundreds of Palestinian prisoners, there will be a slow withdrawal of the Israeli military from urban centers in Gaza and a surge of humanitarian aid.
Gaza truce in limbo as Netanyahu demands list of hostages to be freed - The ceasefire deal was signed off by Israel’s government on Saturday morning - but attacks have continued on the Gaza Strip
Israeli Prime Minister Benjamin Netanyahu praised President-elect Trump for his role in negotiating a ceasefire between the nation and the militant group Hamas. “From the moment he was elected,