UNITED NATIONS — The U.N. secretary-general on Wednesday urged all parties to the Gaza war to finalize a ceasefire and hostage release, as mediators say they are in the final stages of a deal. “For months, there has been no ceiling to the suffering and no bottom to the horrors,” Antonio Guterres told the U.N. General Assembly of the situation in Gaza during a speech laying out his 2025 United Nations priorities. A deal is expected to see Hamas release the hostages it has held captive since the group’s Oct. 7, 2023, terror attack in Israel. Israeli authorities would in