The Globe and Mail | Oil rises on US-Iran tensions The Globe and Mail Oil prices rose on Monday on worries over supply after tensions worsened between Iran and the United States, while some offshore workers began a 24-hour strike on three oil and gas platforms in the British North Sea. Iranian Supreme Leader Ayatollah ... Oil Advances as US-Iran Tensions Escalate After Trump Tweet Factbox: Strait of Hormuz is a global oil choke point Trump Tweet on Iran Stirs Oil Markets |