On Saturday, Saudi Arabia halted a key oil pipeline after a drone attack launched from Iraq. The shutdown restricts oil flow.

Iraq launched an investigation into the strikes and sealed three frontier posts with Iran.

Yemen retaliated against Houthis. Saudi Arabia is running out of options as it confronts mounting threats from Iran and its supporters. The attack from Iraq triggered the pipeline shutdown. Iraq's probe into the strikes continues. The closed border crossings with Iran form part of Iraq's response.