DUBAI: The United Arab Emirates said on Tuesday it was disappointed with Saudi Arabia’s statement regarding Yemen, and surprised by the airstrike on Mukalla. Saudi Arabia issues national security warning as UAE forces asked to leave Yemen Saudi Arabia said on Tuesday its national security was a red line and backed a call for UAE forces to leave Yemen within 24 hours, soon after a Saudi-led coalition carried out an airstrike on the southern Yemeni port of Mukalla.