1.   Corsican nationalists have claimed similar bombings in southern mainland cities, though they usually restrict their attacks to the French island of Corsica.

2.   Corsican ultra-nationalists have claimed similar bombings in southern mainland cities, though they usually restrict their attacks to the French island of Corsica.

3.   Hamas, and its smaller sister, Islamic Jihad, claimed the bombings.

4.   It has also claimed numerous bombings against American businesses.

5.   Responsibility for the bombings were claimed on behalf of a shadowy extremist group opposed to holding the games in Sweden.

6.   Salameh was the second-in-command of the Izzedine al Qassam Brigade, the military wing of the Islamic militant Hamas organization that claimed the bombings.

7.   Shaked said Hamas, who he believes carried out the attack, could have decided against claiming the bombing to avoid inflaming Palestinian public opinion.

8.   Some reports said the Tel Aviv bombing was a joint operation with Islamic Jihad, which has claimed deadly bombings in the past.

9.   That bombing was claimed on behalf of a shadowy extremist group called We Who Built Sweden, which said holding the Olympics would be a waste of public money.

10.   The attempted bombing was claimed by a previously unknown communist group, the Revolutionary Military Council of the Russian Federation.