On Saturday, Saudi Arabia halted an important crude artery after an unmanned aerial strike fired from Iraq. The shutdown limits oil flow.

Iraq launched a probe into the strikes and closed three frontier posts with Iran.

Yemen retaliated against Houthis. Saudi Arabia is running out of options as it confronts growing dangers from Iran and its supporters. The attack from Iraq caused the shutdown of the pipeline. Iraq's probe over the attacks continues. The closed border crossings with Iran form part of Iraq's response.