Posted: Jul 19, 2012 9:39 PM
WASHINGTON, DC - A U.S. official says the Iranian-backed militant group Hezbollah is believed to have been behind the suicide bombing that killed at least seven people on a bus full of Israeli tourists in Bulgaria.
The official spoke to The Associated Press on the condition of anonymity to discuss sensitive intelligence. He did not elaborate.
Israeli Prime Minister Benjamin Netanyahu has said the bombing was carried out by Hezbollah, and Israel has vowed to strike back.
Iran has called the accusation "baseless."
Meanwhile, authorities continue to look for clues as to who the suspected bomber was, using his fingerprints, his DNA and his fake Michigan driver's license.
The lanky, long-haired man in a baseball cap with his hands in the pockets of his plaid Bermuda shorts and a bulky backpack hanging from his shoulders was caught on video by security cameras at the Burgas airport.
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