The first session of indirect Hamas-Israel ceasefire talks in Qatar ended inconclusively, two Palestinian sources familiar with the matter said early on Monday, adding that the Israeli delegation didn't have a sufficient mandate to reach an agreement with Hamas.

The deal comes more than 20 months into the conflict -- and more than three months after a previous deal ended.

Israel and Hamas are set to hold indirect talks in Qatar for a second day on Monday, aimed at securing a ceasefire and hostage deal in Gaza, ahead of a meeting in Washington