Iran Fires Warning Shot Over World's Most Vital Oil Passage

Iran fired on a cargo ship in the Strait of Hormuz on June 25—a narrow waterway where one-fifth of the world's oil travels. The action hints Iran may try to charge tolls on ships passing through, like a customs checkpoint. U.S. Secretary of State Marco Rubio said no, warning such fees could spread to other shipping routes. Gulf nations agree, but Iran's shooting suggests it may push its demands through force.