<span style="color: #222222;">UN Secretary General Antonio Guterres on Friday cautioned that the world cannot afford another war in the Gulf, following the killing of Iran's top military commander Qasem Soleimani in a US drone strike.<br />'' <br />'' Voicing deep concern over escalation of tensions in the Gulf, Deputy Spokesman for the Secretary-General Farhan Haq said, the Secretary-General has consistently advocated for de-escalation in the Gulf and deeply concerned with the recent escalation.<br />'' <br />'' The UN Chief said this is a moment in which leaders must exercise maximum restraint. </span><br />'' <br />'' <span style="color: #222222;"> </span><br />