NEW : The embassy did not provide any further information on the source of the threat . Analysts report on possibility of Hezbollah activity in Bangkok . Thai investigators name a suspect . ` ` Foreign terrorists '' may be planning a ` ` in the near future , '' the U.S. government says . The United States and Israel issue travel warnings for Bangkok .
NEW : Analysts report on possibility of Hezbollah activity in Bangkok . Thai investigators name a suspect . ` ` Foreign terrorists '' may be planning a ` ` in the near future , '' the U.S. government says . The United States and Israel issue travel warnings for Bangkok .