Delayed by a dispute over the release of a specific hostage, an agreement has been reached to allow Palestinians to return to northern Gaza.

Israel and the Palestinian Islamist group Hamas have agreed to a ceasefire in the Gaza Strip and the release of more hostages in exchange for Palestinian prisoners, mediator Qatar announced on Wednesday evening.

Early Saturday morning, Israel’s Cabinet approved the deal for a ceasefire in Gaza that would release dozens of hostages and pause the 15-month war with Hamas, bringing the sides a step closer to ending their deadliest and most destructive fighting ever.

Qatar’s prime minister on Wednesday announced a ceasefire agreement between Israel and Hamas, pausing the devastating 15-month war in Gaza and clearing the way for dozens of Israeli hostages to go home.

Secretary of State Antony Blinken had said the U.S. wanted a ceasefire deal in Gaza and all remaining captives released before Donald Trump takes office on Jan. 20.

Israel and Hamas have agreed a Gaza ceasefire and hostage release deal following 15 months of war, mediators Qatar and the US say. Qatari Prime Minister Sheikh Mohammed bin Abdul Rahman Al Thani said the agreement would come into effect on Sunday so long as it was approved by the Israeli cabinet.

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

Qatar announced early Monday that an agreement has been reached to release an Israeli civilian hostage and allow Palestinians to return to northern Gaza, easing the first major crisis of the fragile ceasefire between Israel and Hamas.