On Saturday, Saudi Arabia shut down an important crude artery after a drone attack launched from Iraq. The shutdown cuts oil flow.
Iraq launched a probe into the strikes and closed three frontier posts with Iran.
Yemen retaliated against Houthis. Saudi Arabia has few options as it faces growing dangers from Iran and its supporters. The attack from Iraq triggered the pipeline shutdown. Iraq's probe into the strikes is ongoing. The closed border crossings with Iran are part of Iraq's response.