aden air raid saudi-led military coalition put yemeni airport houthi-controlled capital sanaa service tuesday jeopardize relief shipments country brink famine state news agency saba report saudi-led coalition fight yemen houthi movement say last week close air land seaports yemen stem say flow arm houthis iran air raid destroy radio navigation station aircraft civil aviation authorities tell saba control houthis air traffic sanaa airport currently restrict flight carry humanitarian aid send unite nations international organizations houthis control north include sanaa international airport saudi-led coalition dominate airspace reopen would need agreement two side blame yemen humanitarian disaster top u.n. aid official yemen call saudi-led coalition tuesday open yemen sea port urgently say risk damage fight cholera hunger million already famine-like condition millions live risk blockade u.n. humanitarian coordinator yemen jamie mcgoldrick say reporters geneva telephone amman say saudi-led coalition immediately available comment saudi-led coalition air raid put yemen 's sanaa airport service agency