Hussein agreed to a cease-fire after Arab media started accusing him of massacring the Palestinians . Jordanian Prime Minister Muhammad Daoud defected to Libya after being pressured by President Muammar Al-Gaddafi , while the former was in Egypt representing Jordan at an emergency Arab League summit . Hussein himself decided to fly to Cairo on 26 September , where he was met with hostility from Arab leaders . On 27 September , Hussein and Arafat signed an agreement brokered by Egyptian President Nasser . Nasser died the following day of a heart attack
emergency Arab League summit
1970 Arab League summit
Black September