The agreement, which would include the release of hostages, was met with cautious optimism after 15 months of war. But Israel’s cabinet needs to ratify the deal, and the prime minister’s office said there were some last-minute disputes with Hamas.

American families of Israeli hostages being held in Gaza have been in contact with negotiators as a draft deal for a ceasefire in Gaza and the release of hostages has been agreed to in principle​, CBS News has learned.

The office of the Israeli Prime Minister, Benjamin Netanyahu, said that the delay was because of concerns that Hamas was attempting to renege on elements of the deal — an accusation that an official in the group Izzat al-Rishq denied, The New York Times reports.

As news of the breakthrough surfaced, stakeholders from politicians to families of hostages kidnapped at the start of the war breathed a sigh of relief that the long, violent and acrimonious

Israel and the highest ranks of Hamas have now agreed to the core elements of the hostage release-ceasefire deal on the table, but both sides are continuing to haggle over the details of the proposal,

CNN’s Becky Anderson is in Doha, where ceasefire negotiations are underway. Qatari officials say they are close to a deal, Becky explains how we got here.

CBS News has learned a draft deal for a ceasefire in Gaza and the release of hostages has been agreed to in principle. If all goes well, it will be finalized by Israel and Hamas this week. CBS News New York's Dick Brennan has more on what the deal includes,

First phase of agreement likely to involve release of 33 Israeli hostages and up to 1,000 Palestinian prisoners