Bulgaria announces that Hezbollah was behind a fatal attack in July . The group claimed responsibility for the blast at an Israeli military checkpoint on August 10 and said it had targeted a convoy of vehicles carrying Iranian Revolutionary Guard Corps personnel. The United States and Israel urge the European Union to label Hezbollah a terror group . A U.S. official notes a growing international campaign of terror attacks by Hezbollah .
Bulgaria announces that Hezbollah was behind a fatal attack in July . Five Israeli tourists were killed in the bomb blast in Burgas , Bulgaria . The United States and Israel urge the European Union to label Hezbollah a terror group . A U.S. official notes a growing international campaign of terror attacks by Hezbollah .