Officials say U.S. and Arab mediators made significant progress overnight toward brokering a ceasefire in the Israel-Hamas war and the release of scores of hostages held in the Gaza Strip, but a deal has not been reached yet.

Israel will send the chief of its Mossad intelligence agency to Qatar to continue talks over a potential ceasefire-for-hostages deal in Gaza, in a possible sign the negotiations may be advancing.

Israel's prime minister is sending the foreign intelligence chief to Hamas cease-fire talks; deadly Israeli airstrikes continue in Gaza.