Four Tripoli military personnel were believed detained by the U.S. Embassy , an official said . The four were in Libya `` augmenting security at the U.S. Embassy in Tripoli , '' the official said . The Four were augmenting security at the interior ministry in U.S. , the official said .
Four Tripoli military personnel were believed detained by the U.S. Embassy , an official said . The Four were augmenting security at the interior ministry in U.S. , the official said .