21.  An anonymous caller to Israel Radio claimed the Islamic militant group Hamas was responsible for the bombing.

22.  An armed wing of the militant Islamic group known as Hamas claimed responsibility for the attack.

23.  And Arafat has already moved some way, though not nearly far enough, American officials say, to begin to crack down on the militant group Hamas.

24.  And he voices an understanding for the economic pressures helping to forge more militant groups.

25.  And National Chairman Gerry Moan said the party had received threatening messages from militant groups opposed to Buchanan.

26.  And the Indian army followed up Saturday with an announcement that it was suspending all military operations against Hizbul Mujahideen, though not against other militant groups.

27.  And recent news reports have indicated that al-Qaida operatives are aligning with Pakistani militant groups.

28.  Another militant group, Islamic Holy War, claimed responsibility.

29.  Another militant group, the Popular Front for the Liberation of Palestine, issued a statement saying it had carried out the bombing.

30.  Another reason, the Israeli officials said, may be emerging disagreements within the Islamic militant group Hamas about the wisdom of resorting to violent action.