NEW : Thailand is a highly popular tourist destination , and Bangkok serves as a major transport hub for the Southeast Asian region . Analysts split on possibility of the U.S. Embassy activity in Bangkok . Thai investigators arrest terror suspect . `` Foreign terrorists '' could be planning attacks `` in the near future , '' the U.S. Embassy says . Israel and Bangkok issue travel warnings for The United States .
NEW : Analysts split on possibility of the U.S. Embassy activity in Bangkok . Thai investigators arrest terror suspect . `` Foreign terrorists '' could be planning attacks `` in the near future , '' the U.S. Embassy says . Israel and Bangkok issue travel warnings for The United States .