Middle East oil flows have remained surprisingly strong despite disruption to Saudi Arabia's East-West pipeline, JPMorgan analysts said in a Sept. 18 note. Tensions in the region continued to escalate after Iran-backed Houthis attacked Saudi Arabia with missiles and drones on Saturday. U.S. President Donald Trump told Fox News he was in a "deciding mode" and that "very big things" would happen in the near future regarding the US-Iran war.