Bulgaria announces that it was behind a fatal attack in July . The premature detonation of the device before all members of the Israeli group were on board Five Israeli tourists were killed in the hotel blast in Burgas , Bulgaria . The United States and Israel urge the European Union to label Hezbollah a terrorist organization . A U.S. official notes a growing international threat of terror attacks by Hezbollah .
Bulgaria announces that it was behind a fatal attack in July . Five Israeli tourists were killed in the hotel blast in Burgas , Bulgaria . The United States and Israel urge the European Union to label Hezbollah a terrorist organization . A U.S. official notes a growing international threat of terror attacks by Hezbollah .