21.   An anonymous caller claimed responsibility for the attack on behalf of the Islamic militant group Hamas.

22.   An anonymous caller claimed responsibility in the name of the Islamic Kurdistan Union Party, which is linked to the PKK, for those bombings Sunday.

23.   An anonymous caller claimed responsibility for the militant Hamas group, which has long opposed the peace process.

24.   Anonymous callers claimed responsibility in the name of Hamas and one leaflet said the attacker was from Jordan.

25.   Childs escaped Saturday, but the caller claimed Childs was freed on humanitarian grounds because he was sick.

26.   He said the caller claimed to be from a rival campaign.

27.   In London, an Arabic newspaper said an anonymous caller had claimed responsibility for the bombing on behalf of a previously unknown group.

28.   In London, an Arabic newspaper said an anonymous caller claimed responsibility for the bombing on behalf of a previously unknown group.

29.   Israel TV reported that an anonymous caller claimed the burglary at the Center for Arab Studies on behalf of the outlawed Kach, the outlawed extremist group.

30.   Interfax first reported Friday that an anonymous caller had claimed responsibility to police on behalf of Russian National Unity.