On Saturday, Saudi Arabia shut down a key oil pipeline after an unmanned aerial strike launched from Iraq. The shutdown restricts oil flow.

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

Yemen retaliated against Houthis. Saudi Arabia has few options as it confronts mounting threats from Iran and its allies. The attack from Iraq triggered the shutdown of the pipeline. Iraq's probe over the attacks is ongoing. The closed frontier posts with Iran form part of Iraq's response.