Islamic Jihad, an underground faction of the pro-Iranian radical Shia Hezbollah organization, was believed to be holding most of the Western hostages.
The Hezbollah organization announced on June 30 that it would take part in the elections, although it had not participated in any government formed since the Taif accord.
One of the attackers was captured and one escaped; the Interior Ministry said they were members of the Turkish Hezbollah organization.
Three members of the illegal Hezbollah organization were condemned to death on March 1 by a criminal court in Tlemcen.
Since then, IDF fought for many years against Hezbollah Shia organization, which became a growing threat to Israel.
Imad Mughniyah, a senior member of the Hezbollah organization, has been described by journalist Robin Wright as the "master terrorist" who organized the campaign.
Demonstrating the power of the Hezbollah organization, Sheik Nasrallah appeared Tuesday night on Al Manar, the group's own television station.
The story begins with the protagonist, under the alias the Technician, who is in deep cover to stop the Hezbollah terrorist organization from overthrowing the government of Tunisia.
"Responsibility for any harm to Lebanese civilians lies with the Hezbollah terrorist organization which operates from within the civilian population," it said.
The Israeli military said it struck the airport because it is "a central hub for the transfer of weapons and supplies to the Hezbollah terrorist organization."