Two parents and two of their sons were killed in an Israeli airstrike that hit their tent in the Mawasi area near Khan Younis. A relative told an NBC News crew that the family had been celebrating news of the ceasefire agreement days earlier.

Israel's prime minister says his country is ready to go back to war in Gaza if negotiations for a second phase of the ceasefire deal with Hamas collapses.

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 expected to begin Sunday. Follow for live updates.

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.

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

Israel on Saturday approved a ceasefire deal with Palestinian militant group Hamas that involves release of hostages in the Gaza Strip, and Israeli forces struck in the enclave before the agreement's scheduled start on Sunday.

Netanyahu's office said Hamas had "reneged on parts of the agreement reached with the mediators and Israel in an effort to extort last-minute concessions."

Israel’s government approved a ceasefire and hostage release deal with Hamas, paving the way for the agreement to take effect Sunday and potentially signalling a new chapter in a bloody 15-month conflict that has enflamed the Middle East.

Israeli Prime Minister Benjamin Netanyahu said the country was treating the ceasefire as temporary and retained the right to continue fighting if necessary.

Under the first phase of the ceasefire, 33 hostages are set to be released over the next six weeks, in exchange for hundreds of Palestinians imprisoned by Israel.

Netanyahu says US will back return to war with only hours until Gaza ceasefire - The ceasefire deal was signed off by Israel’s government on Saturday morning - but attacks have continued on the Gaza S