aden yemen national airline say sunday still lack security permit need resume commercial flight day transport minister say flight would allow nationwide blockade ease saudi-led military coalition fight yemen houthi movement say last week close air land sea port yemen stem allege flow arm houthis iran move come saudi arabia intercept missile fire towards riyadh blame tehran transport minister mourad al-halimi say yemenia flight pro-saudi government-held cities aden seiyun would resume sunday national carrier say statement acquire necessary permit fly unite nations warn total blockade could cause famine impoverish country war kill least 10,000 people last 2-1/2 years unite nations population fund unfpa express concern sunday urge statement humanitarian aid allow enter country immediately yemen register one high rat postpartum deaths government-held southern yemeni port aden reopen wednesday port houthi-held areas still shut coalition reopen al wadea border cross link saudi arabia territory eastern yemen thursday yemeni airline say resume commercial flight blockade