`` Saudis are beginning to feel a little threatened here , '' CNN military analyst says . The U.S. has been conducting airstrikes against the Islamic State in Iraq and Syria (ISIS) for more than two years, but it was unclear whether they were targeting ISIS or other rebel groups fighting President Bashar al-@@ With U.S. and UK forces gone , fears rise that terror could blossom in Yemen .
`` Saudis are beginning to feel a little threatened here , '' CNN military analyst says . Country is in a `` rapid downward spiral , '' U.N. officials warn . With U.S. and UK forces gone , fears rise that terror could blossom in Yemen .