41.   A previously unknown group, the Pacific Popular Front claimed responsibility for the blaze which witnesses said started with a series of explosions.

42.   A previously unknown Sunni group called the Lashkar-e-Jhangvi took responsibility for the killings.

43.   A letter sent by the previously unknown group to a local radio station has claimed responsibility for bombing a Cape Town police station earlier this year.

44.   A previously unknown group called the National Movement for the Restoration of Pakistani Sovereignty sent e-mails a few days after the kidnapping showing pictures of Pearl in captivity.

45.   A previously unknown group International Solidarity claimed responsibility for the attack against the Central Board of Jewish Communities, the headquarters for local Jewish councils around Greece.

46.   A previously unknown group, calling itself Student Rebels, claimed responsibility for the attack in a call to an Athens newspaper.

47.   A previously unknown Islamic militant group claimed responsibility Wednesday for the killing of an Egyptian diplomat in his apartment in Geneva.

48.   A previously unknown Islamic militant group, the International Justice Group, claimed responsibility for that murder.

49.   A previously unknown Kurdish group has claimed responsibility for two separate bombings that killed one person and injured eight, a newspaper said Thursday.

50.   A previously unknown Palestinian group, calling itself the Popular Army Front, claimed responsibility for the blast.