US Secretary of State Michael Pompeo left for Saudi Arabia and the UAE on Sunday to hold talks regarding the escalating tensions with Iran, especially after Tehran downed a US military drone in the Gulf of Oman recently.He reiterated the United States' offer to hold talks with the Middle Eastern nation with "no preconditions," according to Al Arabiya."We're prepared to negotiate with no preconditions. They know precisely where to find us. I am confident that at the very moment they are ready to engage with us, we will be able to begin these conversations," the official told reporters before boarding his plane.The already strained US-Iran relationship has further deteriorated after Iran's Islamic Revolutionary Guard Corps (IRGC) on Thursday downed an "intruding American spy drone" -- RQ-4 Global Hawk -- after it violated Iranian airspace over the southern coastal province of Hormozgan.Washington has labelled it as an "unprovoked attack," claiming that the drone was flying over ...