If there was proof of Hezbollah's involvement in Burgas, it would be the group's first successful terror attack in Europe since the mid-1980s, Europol's RobWainwright said last week.
"From what I've seen... obvious links to Lebanon, from the modus operandi of the terrorist attack, from other intelligence that we see, I think that's a reasonable assumption, " RobWainwright told the Associated Press.