Israel intensified strikes on Gaza hours after a ceasefire and hostage release deal was announced, residents and authorities in the Palestinian enclave said, as mediators sought to quell fighting ahead of the truce's start on Sunday.

The deal will take place in three different phases, each of which will last for six weeks, according to U.S. and Qatari officials.

Israel and Hamas agreed to a deal to halt fighting in Gaza and exchange Israeli hostages for Palestinian prisoners, opening the way to a possible end to a devastating 15-month conflict. Here’s a look at the timeline of Israel-Hamas war that began on October 7,