Arab, Muslim nations intensify diplomatic push to prevent U.S.–Iran war as tensions soar Arab and Muslim powers are urgently stepping up diplomatic efforts to avert a potential military confrontation between the United States and Iran, as regional tensions escalate over nuclear, military and political disputes. Officials from countries including Qatar, Oman, Saudi Arabia, Egypt and Turkey have been engaged in intense back-channel diplomacy, seeking to persuade both Washington and Tehran to return to the negotiating table and defuse mounting threats of conflict. Arab nations decline US invitation to join Red Sea operation...